给问句找出对应的答语,把代号填在前面的括号里。(,每小题1分，共5分）
Hi, Cindy! How are you?       A. Nice to meet you, too.
How old are you?              B. They’re my grandparents.
Nice to meet you!            C. I’m fine, thanks.
Who are they?                D. Thanks.
Sit down, please.            E. I’m eleven years old.