Ann was a good mood and kept jokes to us.A. in, sayingB. on, tellingC. in, to tellD. in,

Ann was a good mood and kept jokes to us.
A. in, saying
B. on, telling
C. in, to tell
D. in, telling

A. in, sayingB. on, tellingC. in, to tell(答案→)D. in, telling解析：in a good mood心情好的意思,keep doing一直做某事,反复做,keep to do坚持做某事,根据题意选D,安心情很好一直和我们开玩笑.

对的，就是这个意思