F: Who's there? I can't see anything without my glasses! ,M: It's me, your husband. You should consider getting an eye operation because you always put your glasses in a wrong place.
(A) F: OK son, it's so nice of you to buy a new pair of glasses for me. (B) F: You are right, I really do need to get an eye surgery. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Son, you really need to remember to put your glasses in a right place.
B