Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Mary happens to meet John at the Dining Hall of Goreville & Caius College Cambridge University.
 - Mary: “I haven't seen you for ages. How are you doing?”
 - John: “____________”
A.Well, I'm working as an engineer now.
B.Never better! How are you?
C.A little bit of the weather.
D.Every cloud has a silver lining.