Question

Now she is considering taking some weight-loss pills, _______ she thinks will help her become slim.

A．which

B．that

C．what

D．who

Answer 1

A

试题分析：通过分析句子结构，可知这个句子中包含一个非限制性定语从句，关系词在定语从句中作宾语，且是物，故用which。
点评：解答这类题，首先要确定从句是什么从句，然后依据相应的语法规则做题。定语从句中关系词的确定，要看它在定语从句中作什么成分。