If, at any time, the pilot is given an instruction that is beyond his airplane's capabilities or is not safe to follow, which of the following practices is not right?
A.The pilot should inform the controller that he is unable to follow the controller's directions
B.The controller should amend his clearance for the pilot
C.The pilot should comply with the controller's instructions without reservation
D.The pilot will check with the controller for a new instruction that the aircraft can comply with
正确答案是C