Cars and motorcycles are similar ______ they are both privately owned means of transport.
【正确答案】 B
【答案解析】so that表示目的;in that为复合连词,表示“由于,因为”,同because一词;for后不能用 that从句;in which是介词+关系代词引导定语从句,但本句不属于定语从句,因此D不符合本题句法结构。