+20积分求解两单选—do you play soccer after school?—Yes.___.Playing

+20积分求解两单选
—do you play soccer after school?
—Yes.___.Playing soccer is not my favorite
A all the time B from time to time C at one time D at a time
请问这道题选什么为什么,希望详细一些（from time to time 最好有例句（酌情加分）谢谢
The boy is not so stupid___do that
A to B in order to C as to D enough to
请问这道题选什么为什么.