－I’m afraid that she won’t come to help me as she promised.

－Don’t worry. Nothing will ______her mind if she has ______up her mind.

A．change; made

B．turn; done

C．grow; given

D．make; changed

图中所示，是同学们在实验课上连接的一些电路，闭合开关后，出现电源短路的是