Mike: Hi, mom. Id like you to meet my girlfriend, Susan Brown. Susan, this is my mother. Susan: How do you do, Mrs. Miller.Mother: How do you do, Susan. Im glad you can join us.______.
A.Take it easy
B.Please feel natural
C.Make yourself at home
D.Feel all right here
请帮忙给出正确答案和分析,谢谢!