Part or all of the following sentence is underlined;beneath the sentence are five ways of phrasing the underlined material.Select the option that produces the best sentence.If you think the original phrasing produces a better sentence than any of the alternatives,select choice A.

Upon winning her third gold medal at the competition, the young athlete learned that her accomplishments had surpassed her coach's, a former track star.

(A) her coach's
(B) her coach
(C) those of her coach
(D) those done by her coach
(E) those of her coach's

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