He wants to attend the party, but______he should be studying.

He wants to attend the party, but______he should be studying.
A、on other hand
B、on the one hand
C、on the other hand
D、on hand
【正确答案】：C
【题目解析】：On the other hand “（从）另一方面（来说）（用于引出相对照的另一点）”。On the other hand引导对比状语（Contrast-conjuncts），类似的词或词组有actually，rather，alternatively，conversely，more precisely，in contrast，on the contrary等。