给问句选择合适的答语。
⑴What are they doing?{#blank#}1{#/blank#} A. My name is Jenny.
⑵How old are you?{#blank#}2{#/blank#} B. They are playing.
⑶What's your name?{#blank#}3{#/blank#} C. I cut my nose.
⑷Happy birthday to you.{#blank#}4{#/blank#} D. I am ten years old.
⑸What's the matter?{#blank#}5{#/blank#} E. Thank you.
