I _____have my parents,and now I'm answering it

选B
A是听说
B是收到某人的信
C是听到
D也是听说

这句话是不是这样的 “I have (heard from )my parents”
heard of 听说某事
heard from 从某人那里听说

I have heard from my parents, and now I'm answering it.
heard of: 听说过
heard from: 收到。。来信
heard: 听见
heard about: 同于：heard of

选B
A是听说
B是收到某人的信 = receive a letter from sb
C是听到
D也是听说