The old man have ------ his relatives since he left the hometown.

问题描述:

The old man have ------ his relatives since he left the hometown.
A kept up with B kept touch C kept in contact with D kept on with

c 那个老人自从离开家乡后与他的家人保持了联系
A赶上
B不知道这个词组- -有个词组是keep in touch with
D继续做某事