There be与方位介词综合运用 — 英语选择题

看房间记录，选出意思相符的句子：桌上有两本书，桌下有一个包。 A. There are two books on the desk, and there is a bag under it. B. There is two books on the desk, and there are a bag under it. C. There are two books under the desk, and there is a bag on it. D. There is a book on the desk, and there are two bags under it.