Question: The endurance and consistency of baseball star Lou Gehrig, known as “The Iron Horse,” are legendary.

(A) The endurance and consistency of baseball star Lou Gehrig, known as “The Iron Horse,” are legendary.
(B) The endurance and consistency of Lou Gehrig, a baseball star known as “The Iron Horse,” is legendary.
(C) Known as “The Iron Horse,” the endurance and consistency of Lou Gehrig, the baseball star, is legendary.
(D) The reason baseball star Lou Gehrig is known as “The Iron Horse” is because of his legendary endurance and consistency.
(E) Known as “The Iron Horse,” baseball star Lou Gehrig’s endurance and consistency are legendary.

“The endurance and consistency of baseball star Lou Gehrig, known as “The Iron Horse,” are legendary” - is a GMAT sentence correction question. These types of questions contain grammatical errors in the underlined sentence, and we have to choose the correct statement from the options. GMAT sentence correction is part of GMAT verbal.

Answer: A
Explanation: The suggestions listed below could be used to support the suggested change to the sentence:

• Parallelism
• Considering two distinct facts
• Modifiers

This is how the sentence is put together:

Legend has it that baseball great Lou Gehrig, often known as "The Iron Horse," had unparalleled levels of endurance and consistency.

Let’s check the options one by one -

Option A is correct:
A is the correct response. The phrase "the endurance and consistency..." is the subject in this sentence. It is plural and appropriately suits the verb "are legendary."

Option B is incorrect:
Option B is incorrect since the subject and verb disagree. Lou Gehrig's tenacity and persistence are the subject, and the verb is "is." 'is' is wrongly referring to plural as 'and' makes the subject plural, and hence making the sentence incorrect.

Choice C is incorrect:
Option C is incorrect due to the modifier. Known as "The Iron Horse," this substance improves Lou Gehrig's tenacity and consistency. 'is' is wrongly referring to plural as 'and' makes the subject plural, and hence making the sentence incorrect.

Choice D is incorrect:
The original sentence's meaning is altered by Option D. According to choice D, LG has earned the nickname "the iron horse" for his illustrious stamina and dependability. Lou is already referred to as "iron horse" and possesses the two attributes, thus there is no need to change the meaning or the author's original meaning. Lou is already known as "iron horse" and possesses the two qualities.

Choice E is incorrect:
This is the incorrect choice. The incorrect usage of "iron horse" in reference to Lou Gehrig's disease is widespread.

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