下列关于目标成本的计算，正确的是( )。

单项选择题我国《证券法》规定,发行人申请公开发行证券的,应当按照规定聘请证券公司担任保荐人。( )

单项选择题听力原文：W: While the children are at the movie, I think I'll drop in on Drake's Department Store and do a little shopping.M: Good idea. While you are there, will you pick up a couple of white shirts for me? And I need some cigarettes, too.Q: What is the woman going to buy for herself?(3)A．She doesn't say.B．Some cigarettes.C．Some colorful dresses.D．White shirts and cigarettes.