drive-in:A drive-in is a restaurant, cinema, or other commercial place which is specially designed so that customers can use the services provided while staying in their cars.
drive-in是可数名词, 因为A、E用less来修饰drive-in,所以可以马上排除A和E;
2、amount是用来修饰不可数名词的(字典中的释义:The amount of something is how much there is, or how much you have, need, or get.),many是修饰可数名词的,many本身可以做表数量的代词(字典中的内容:Also a pronoun. 例句:We stood up, thinking through the possibilities. There weren't many. )