China’s youths topped a list of calculating abilities, but ranked last on ________imagination and 5^th from ________ bottom for creativity, according to an educationsurvey of 21 countries and regions.

A．the, the

B．an, the

C．/, the

D．/ a

科目 英语   题型 单选题   难度 较易

知识点： 冠词的用法辨析