询问并介绍某人正在做什么 — 英语选择题
题目
电话里，Tom想知道Kitty的妈妈正在做什么。Kitty告诉他：爸爸正在做饭，妈妈正在看书，弟弟正在踢足球。哪组问答正确？A. What is your mother doing? She is reading a book. B. What is your father doing? He is reading a book. C. What is your mother doing? She is cooking dinner. D. What is your brother doing? He is reading a book.