John arrived London a cold morning. A. on; atB. at; atC. in; onD. at; in

问题补充：

John arrived London a cold morning.

A. on; at

B. at; at

C. in; on

D. at; in

答案：

A. on; at

B. at; at

(答案→)C. in; on

D. at; in

解析：arrive in 到达某地,在具体某一天用on,所以选C.