In the question given below, a part of the sentence is in bold and italicised. Below are given alternatives to the bold and italicised part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose option 'D' as the answer.

If you are not clear about the meaning of a word, it is wise to look to a dictionary.

A.

look for

B.

look at

C.

look up

D.

No improvement

Correct answer is C

No explanation has been provided for this answer.