I will leave a message for you with my secretary....

Câu hỏi: I will leave a message for you with my secretary. It is possible that I will be out when you telephone.

A. I will leave a message for you with my secretary in case I am out when you telephone.

B. As long as it might happen that I am out when you telephone, I will leave a message for you with my secretary.

C. Unless you telephone when I am out, I will leave a message for you with my secretary.

D. Providing that I will leave a message for you with my secretary, I will be out when you telephone.