请选择ABC4?8s7}.h.T Are you friends? Yes，_______.7i2]9P+h6g/s4y1b7l
A. I am7i2]9P+h6g/s4y1b7l
B. they are7i2]9P+h6g/s4y1b7l
C. we are7i2]9P+h6g/s4y1b7l