I haven’t heard her for a long time since the last letter but I did hear her through my friend.
A. from; about
B. of; from
C. about; of
D. from; from
网友回答
(答案→)A. from; about
B. of; from
C. about; of
D. from; from
解析：hear from sb 收到某人的来信; hear of/ about sb听说；得知某人的消息。