Question

I had no idea ____ is better, so I took ____ of them.

A. what;both B. what;none C. which;both D. which;none

Answer 1

答案C
此题关键语是better一词，这是用比较级，说明比较的对象是两者，由此可知第2空要填both；由于谈的是两者，说明选择范围很明确，所以第1空用which。