—The fellow has been suspected an email fraud.
—Nowadays cybercrime is developing an amazing rate.
A. from;at
B. about;in
C. of;with
D. of;at
网友回答
A. from;at
B. about;in
C. of;with
(答案→)D. of;at
解析:考察介词固定搭配。固定搭配be suspected of被怀疑….;at an amazing rate以令人惊讶的速度。句意:—这个人被怀疑进行邮件欺骗。—现在的网络犯罪正在以令人惊讶的速度在发展。故D正确。