问题补充:
The policea prisoner.
A. are searched for
B. is searching after
C. are searching for
D. is searching for
答案:
A. are searched for
B. is searching after
(答案→)C. are searching for
D. is searching for
解析:police作主语时,谓语动词应用复数形式,因此答案在A、C两项中,A项语态错误,故选C。