---What are the police doing?
---They are the mountain the escaped prisoner.
A.
searching, in
B.
searching at, for
C.
searching, for
D.
searching for, for
网友回答
A.
searching, in
B.
searching at, for
(答案→)C.
searching, for
D.
searching for, for
解析：可联系答.案.网客服索取。