To be well-informed, we should be communication each other what happens to us. A

To be well-informed, we should be _____ communication　 each other　 what happens to us.

A. on, for, about　 B. in, for, for C. with, by, at D. in, with, about

D

be in communication with sb的意思是“与某人保持联系”。句意为：为了彼此了解，我们应该保持联系，以便知道我们发生的事。