患者，女，30岁，技术工人，下楼梯时不慎跌伤致"胸11椎骨骨折"，经骨科急诊行"胸11椎骨骨折复位、哈氏棒内固定"术后3周，转入康复科。查体：生命体征平稳，腹股沟以下的感觉和运动功能丧失，大、小便失禁。此患者有尿潴留和尿失禁，下列处理方法中哪些是正确的？（）

A.保留导尿优于间断导尿

B.外阴清洁

C.排尿意识训练

D.通过增加腹压训练排尿

E.定时排尿

Shopping habits in the United States have changed greatly in the last quarter of the 20th century. （1） in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was （2） on both sides with many （3） businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. （4）,some shops offered （5） .These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. （6） in the 1950s, a change began to （7） .Too many automobiles had crowded into Main Street （8） too few parking places were （9） shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces （10） the city limits. Open space is what their car-driving customers needed. And open space is what they got （11） the first shopping centre was built. Shopping centres, or rather malls, （12） as a collection of small new stores （13） crowded city centres. 14 by hundreds of free parking space, customers were drawn away from （14） areas to outlying malls. And the growing （16） of shopping centres led （17） to the building of bigger and betterstocked stores. （18） the late 1970s,many shopping malls had almost developed into small cities themselves. In addition to providing the （19） of one stop shopping, malls were transformed into landscaped parks, （20）benches, fountains, and outdoor entertainment.

请在8处填上正确答案（）

A.while

B.yet

C.though

D.and then