Question

The most important thing _______ we should pay attention to is the first thing ________ I have said.

A．which; that

B．that; which

C．that; that

D．which; which

Answer 1

C

试题分析：考查定语从句：句意：我们应该注意的最重要的事情是我要说的第一件事。两个句子都是定语从句先行词分别是The most important thing ，the first thing 当先行词被最高级或序数词修饰的时候，定语从句用that引导，选C。