A、  B、  C、  B本句为否定疑问句，询问哈德利先生是否出席周一的发言。

What time do you generally take your break?
(A) I had some coffee.
(B) At about 3 o’clock.
(C) With a coworker.

Isn’t Mr. Hadley attending the presentation on Monday?
(A) New company products.
(B) Yes, I think so.
(C) It has been approved.