Question

【题目】The government must be very ________ about setting policies and make no decision until they are quite sure it is the right one.

A. serious B. concerned C. cautious D. nervous

Answer 1

【答案】C

【解析】

试题分析：考查形容词辨析。句意：政府必须谨慎制定政策，直到十分确定这是对的，才能作出决定。be cautious about 对 ...谨慎。serious严肃的；concerned .对……关心；nervous紧张的。故选C。