选择题：9.— Oh, I.m sorry. But I promise I.ll be more care

题目内容：
9.
— Oh, I.m sorry. But I promise I.ll be more careful next time.— _______________________.
(A) It.s nothing
(B) Oh, never mind. It doesn.t matter
(C) Thank you
(D) There are no questions
参考答案：