Can you guess if they ________ to play basketball with us ? I think they’ll come if they _______ free .

A．come, are

B．will come , will be

C．will come , are

D．come , will be

有关货物残损单的签发，下列（）是正确的。

A.收货人与大副需共同签认

B.若货物残损与事实不符，应将实际情况批注后再签字

C.对在大副收据中已批注的原残，大副无需批注而照签

D.B和C