问题

Bruce, I am still not sure ________.— Why not No one is better than you in our class.
A:where I can apply for the competition
B:how can I prepare for the competition
C:whether I should take part in the competition
D:who I can ask for information about the competition;
B:how can I prepare for the competition
C:whether I should take part in the competition
D:who I can ask for information about the competition;
正确答案是: