补全对话。（每题1分，共10分）
（A）根据对话内容，从下面方框内选出恰当的选项补全对话。（有一项是多余的，共5分）
A : Good morning!
B : Good morning, Sam.  
A : No, who is Lucy?
B : Oh, ! This is Lucy, and this is Sam. He is my friend.
A : Nice to meet you, Sam.
B :    .Is that girl your sister? .
A : You’re right. .

A. come and meet her. B. Nice to meet you, too C. Do you know Lucy? D. We are twin（双胞胎） sisters. E. You look the same（相同的）. F  What’s your name?