题目

根据短文内容，从下面方框中选择适当的单词或词组填空，使短文内容完整正确。 first-aid,   been turned into,  helping,  be able to,  less expensive than A teacher, a doctor–both jobs for  61    people. Now schools and hospitals in Marshall County, Kentucky, USA, will have more similarities (相似之处) in the “ambu-bus”. As its name suggests, the one-time school bus has  62   an ambulance（救护车）, the Marshall County Tribune-Courier reported. The “ambu-bus” will  63  carry 18 patients and will be adapted (改装) to have   It is ______the trouble to explain a job fully to new employees. A. worthwhile taking　　　　 B. worthy taking　　　　　 C. worthy of take　　　　　　 D. worth to take