— Have you got the results of the final exam?
— Not yet. It will be a few days ______ we know the full results.
A:since
B:after
C:before
D:that
一次智力竞赛有20题选择题,每答对一道题得5分,答错一道题扣2分,不答题不给分也不扣,小亮答完全部测试题共得65分,那么他答错了____ 道题.
如图所示,回答问题.