Question

【题目】The boy is very smart.He knows a lot _____he is very young.

A. but B. though C. so D. because

Answer 1

【答案】B

【解析】句意：这个男孩很聪明，虽然他很小，但是他知道的很多。but但是；though虽然，尽管；so因此，所以；because因为。根据句意可知应选B，这是though引导的让步状语从句。