Question

In this question, you are given a sentence. A part of the sentence is underlined. This is followed by four ways of phrasing the underlined part. Choice (1) repeats the original; the other three are different. Select the version that best rephrases the underlined part
It is difficult to diagnose malaria because its first symptoms are similar to any viral fever.

• A. Are similar to any viral fever
• B. Are similar to those of any viral fever
• C. Are similar to those of any other viral fever.
• D. Are similar to those of any viral fevers.

Answer 1

Answer: (B)

Are similar to those of any viral fever

Answer 2

This choice clearly compares the symptoms of malaria to those of a viral fever, using "those" to refer to the symptoms. It is the most concise and grammatically correct option.
The correct answer is (B): Are similar to those of any viral fever