题目

Americans with small families own a small car or a large one. If both parents are working, they usually have two cars. When the family is large, one of the cars is sold and they will buy a van（住房汽车）. A small car can hold（容纳）four persons and a large car can hold six persons but it is very crowded. A van holds seven persons easily, so a family with three children can ask their grandparents to travel together. Mr. King and his wife had a third child last year. This made them sell a second car and buy a van. There are seven seats in the van, and two of them are used to The experiment, _____ to test the theory, will be carried out tomorrow.     A. intending      B. intended       C. to intend     D, having intended