21. Tina: Hi, Jane! How’s it going?
Jane: Not so good. I’ve got a bad cold.
Tina: Yeah, a lot of people have colds. _______________
Jane: I know, but I have a report due tomorrow.
(A) I have visited my doctor. (B) I have a terrible headache.
(C) You should be home in bed. (D) You have been feeling well.