请选择ABCD8i(`,_6S;R6x2[.Q;_ The post card is sent by ____.,e5G1X+?'q7Z;e,|
A. a friend of my father,e5G1X+?'q7Z;e,|
B. a friend of my father's,e5G1X+?'q7Z;e,|
C. my father friend,e5G1X+?'q7Z;e,|
D. my father friend's,e5G1X+?'q7Z;e,|