F: Could you come and help me repair the computer, Noel? I can't go on the Internet. ,M: You have to install an anti-virus software on your computer. If not, your computer will be attacked by viruses.
(A) F: Thank you for your advice. I will install anti-virus software after finishing my work. (B) F: Well, I'll wait in my office for you to repair my television. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Ok. I'd like to uninstall the anti-virus software after shopping.
A