给下列句子选择正确的答语。
① What colour is the bag?      A. It's on the bed.
② Where is the T—shirt?     B. It's pink.
③ Are they pants?      C. It's Zhang Peng's.
④ Whose coat is that?      D. Yes，it is.
⑤Is this your skirt?     E. No，they aren't.