题目

阅读理解MrsWilson likes to ask her husband to go shopping with her on Sundays. Her husbandpays for the things she buys.Nowthey are in a shop. Look,Andy. Isit a fancy(时髦的) hair clip? Mrs Wilsonasks her husband. All right. And howmuch is it?he answers and gives money to the shop assistant(店员). When MrsWilson asks him about something good or bad, he often says All right. And howmuch is it?to her. Atabout 8: 00 p. m. , Andyis tired and he wants to have a drink. Suddenly(突然地) his wife looks up at the moon and says, Look,Andy. Isthe moon so beautiful?All right. And howmuch is it?有8种物质：①乙烷；②乙烯；③乙炔；④苯；⑤甲苯；⑥溴乙烷；⑦聚丙烯；⑧环己烯。其中既不能使酸性KMnO4溶液褪色，也不能与溴水反应使溴水褪色的是(　 　)A．①②③⑤               B．④⑥⑦⑧       C．①④⑥⑦                D．②③⑤⑧