B More and more young people enjoy having pets,but they don't like to keep them.At present in Changchun,people prefer to rent pets and play with them during weekends,regarding this as a fashionablelifestyle. Mr.Feng,from Jilin Province,likes pet dogs.Last weekend he rented a Scottish shepherd dog from a localpet shop.He bathed the dog,and went walking with it.He said he could not keep pets in his spare time because he was busy everday except weekends.To rent pets during weekends seemsto be the most practical and economical way to relax himself. A manager from a pet shop says his customers(主顾) are all like Mr.Feng,usually too busy to keeppets,and some of them have never kept any pets before. But they hope torent pets and learn to keep pets so that they can know whether they can be good pet masters or not. It's reported that all pets for rent need to beimmunized(免疫).Before they are rented out,pet shops will teach their customers the ABCs of pet keeping and preparing pet food based on each pet's taste. Shop assistants will also provide(提供)different konds of services for pets like health checkup if their customers want to rent pets for a longer period. Dogs for rent are often not ordinary ones,so their rent is high,usually 200 - 500 yuan(US＄ 25-63) per day.Sometimes,you have to leave thousands of yuan with the owner before you can take a dog away. 60.Mr.Feng rents pets instead of keeping them mainly because _______. A.it's cheaper                  B.it is more fun C.he has little spare time         D.he wants a new pet for each week 61.What do we know about those who rent pets? A.None of them ever kept a pet before. B.They'll become pet owners later. C.They enjoy having pets. D.They want to help protect animals. 62.The underlined phrase 'the ABCs(of…)'in the 4th paragraph refers to '______(of…)'. A.the possible dangers           B.the basic knowledge C.the communicative language    D.the rules set by the shops 63.The dogs' rent is high because___________. A.the customers are rich           B.there are few dogs to rent C.their owners hate to leave them    D.they are top - class dogs