The weather focast is on TV. Can you turn up the volume?

1/ The weather focast is on TV. "Can you turn up the volume?"
-"................ ."
A. I hope so B. That's a good idea
C. Yes, I think so,too D. You are welcome
2/ You like watching sports,don't you?
A. I'm the opposite B. I think so
C. Yes, I like D. No, I hate it