问题 选择题

The science of medicine, _______ progress has been very rapid lately, is perhaps the most important of all the sciences.

A.to which

B.in which

C.Which

D.with which

答案

B 

考查介词在定语从句的用法。先行词the science of medicine在定语从句中作状语。

问答题 简答题
单项选择题