Writing > Improving Sentences

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.

It is thought that a dog’s sense of smell is generally 10,000 to 100,000 times better than humans.

(A) humans
(B) humans’ are
(C) humans have
(D) a human’s
(E) a human has 

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The Correct answer is D.

Explanation

Choice (D) is correct. It avoids the error of the original by properly comparing “a dog’s sense of smell” to “a human’s” sense of smell.