In the following questions, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2 and 3 which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
Rice is to the Japanese while potatoes are to many Europeans

Options

A. A) which
B. B) that
C. C) what
D. D) No Improvement

Answer

C

Explanation

(3) while (Conj.) : on the contrary , during the time that