In question, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, your answer is

Options

A. He is anxious not only
B. to acquire knowledge
C. but also eager to display it.
D. No error

Answer

A

Explanation

Each part of connective .not only...... but also. agrees with same part of speech. Hence, He is not only anxious .... should be used.