---I’m very sorry. I stepped on your foot.-. A. It doesn’t matterB. You’d better not C.

问题补充：

---I’m very sorry. I stepped on your foot.

---.

A. It doesn’t matter

B. You’d better not

C. Take it easy

D. It’s too bad.

答案：

(答案→)A. It doesn’t matter

B. You’d better not

C. Take it easy

D. It’s too bad.

解析：句意：——我非常抱歉。我刚才踩你的脚了。——没关系。It doesn’t matter没关系，You’d better not你最好不要，Take it easy不要生气，It’s too bad太糟糕了。根据句意，可知选A。