Question

【题目】He studies hard all the time, _________ he has made rapid progress in many ways.

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

Answer 1

【答案】A

【解析】解析：句意：他一直努力学习，因此他在许多方面取得了迅速的进步。A. so所以；B. because因为；C. but但是；D. yet仍然。前后两句话是一种因果关系，结合选项，可知A选项符合题意，故答案选A。