The most important thing ______ we should consider is the first idea _____ he has mentioned in the speech
A.which; that
B.that; which
C.which; which
D.that; that
网友回答
D解析考查定语从句。第一个that在定语从句中作consider的宾语；第二个that在定语从句中作mention的宾语，由于先行词分别为最高级及序数词修饰，关系词用that。