Choose the correct combination from the options given below to fill up the blanks with.
I caught him -------------- over my wall. I asked him --------------- but he refused ------------------ anything, so I had ---------------- him go ?
A. As climbing, to explain, to say, to let
B. Climbing, explain, saying, let
C. Climbing, to explain, to say, to let
D. As climbing, say, to explain, let
It is not good to smoke ____________________ cigarette before _____________________ meal.