Question

【题目】The bus was full of people, ________ I had to wait for another one.

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

Answer 1

【答案】D

【解析】解析：句意：——公共汽车上挤满了人，所以我只好等另一辆车。A. though虽然、尽管；B. if如果；C. because因为；D. so因此。根据句意可知后面从句是前面主句动作行为造成的结果，so引导结果状语从句，意思是"因此；所以"，符合语境；故答案选D。