Question

Tom got all A’s ________ he spent most of his time studying.

A．if

B．before

C．because

D．although

Answer 1

C

本题的含义是汤姆取得了好成绩，因为他把大部分时间花费在学习上。本题表示的是因果关系，在原因状语前可用because，故本题选C。