语法与词汇 5.In the sentence "Letting a hundred flowers blossom and a hundred Wschools of thought contend is the policy for promoting the progress of the arts and the sciences in our land.", the underlined part is_____.

A、 subject complement
B、 object complement
C、 attribute
D、 adverbial

【正确答案】 C

【答案解析】本句为主系表结构，Letting a hundred flowers blossom and a hundred schools of thought contend是主语，is是谓语，名词短语the policy是表语中心语；画线部分是后置定语，修饰the policy。