选出所给句子的答句,将其字母代号填在括号内。
①Is this your jacket?________ A I'm ill.
②What's the time?________ B All right.
③Shall we copy it now?________ C No, it isn't.
④What's the matter?________ D Four thirty
⑤My pencil is too short.________ E You can have this long one.