请选择CBA6H.E6O/d;a7j)R6H;W2X – Are you _______? --- Yes, we are.+h9y(C3v:k4?,`/t3T;n)}+l
A. postman+h9y(C3v:k4?,`/t3T;n)}+l
B. postmen+h9y(C3v:k4?,`/t3T;n)}+l
C. the postman+h9y(C3v:k4?,`/t3T;n)}+l