问题补充：
— Do you mind my turning on the TV?
— .. It’s time for me to do my homework
A. No, please don’t
B. Sorry, but you’d better not
C. No, not at all
D. Of course you can
答案：
A. No, please don’t
(答案→)B. Sorry, but you’d better not
C. No, not at all
D. Of course you can
解析：根据上下文It’s time for me to do my homework可知，应该是介意的，故选B
