题干
—I can help you.
—Oh, that's great! Thanks so much.
—_____________.
A：No problem
B：Sure
C：Don't thank me
D：OK
答案(点此获取答案解析）
A
—I can help you.
—Oh, that's great! Thanks so much.
—_____________.
A：No problem
B：Sure
C：Don't thank me
D：OK
且
，则
等于 （ ）