Question

【题目】The thought of going back home was ________ kept him happy while he was working abroad.

A. thatB. all thatC. all whatD. which

Answer 1

【答案】B

【解析】

考查关系代词。句意：一想到回国就让他在国外工作时很开心。分析句子可知，all为本句的表语，而后面的kept him happy是修饰all的定语从句，修饰先行词all，关系代词只能用that。故选B项。