选出句子的正确答语

⑴Where is the gym?               A. Yes, it is.

⑵Do you have an art room?        B. It's on the second floor.

⑶Is that your bag?                 C. Two.

⑷How many pens do you have?    D. No, she isn't.

⑸Is this your mother?              E. Yes, we do.