题目内容：
17.Michael: Hi, mom. I’d like you to meet my girlfriend, Susan Lee. Susan, this is my mother.Susan: How do you do, Mrs. Miller.
Mother: How do you do, Susan. I’m glad you can join us. _____
(3分)
A. Please feel natural.
B. Make yourself at home.
C. Feel all right here.
D. Take is easy.
参考答案：