Mencius believed that the reason man is different from animals is man is good
A.that; that
B.why; because
C.why; that
D.which; that
网友回答
C解析考查定语从句和表语从句。the reason是先行词，在定从 man is different from animals中作原因状语，用why引导； man is good是表语从句，且句子不缺成分，要用that引导。所以选C。