⑴Look at my new cap.____               A. Hello, Tim.

⑵What color is it?____                      B. How nice!

⑶This is my brother, Tim.____          C. Goodbye

⑷Are you Bobby?. ____                    D. Yes, I am.

⑸ Goodbye.____                               E. It's red.

如图电路中，已知电压表读数为4V，电源电压为6V，则（    ）