of being involved in the attempted murder she was questioned by the police.A. ConfirmedB

问题补充：

of being involved in the attempted murder, she was questioned by the police.

A. Confirmed

B. Convinced

C. Suspected

D. Warned

答案：

A. Confirmed

B. Convinced

(答案→)C. Suspected

D. Warned

解析：句意：由于她被怀疑参与了一起谋杀未遂案，她被警察询问了。confirm确定；convince说明；suspect怀疑；warn警告。这里she与suspect之间是被动关系，故用过去分词，故选C。