Fred doesn't like white coffee, nor does he like to put cream on

Fred doesn't like white coffee, nor does he like to put cream on his strawberries, because he prefers them ( ).
A、normal
B、ordinary
C、plain
D、simple
【正确答案】：C
【题目解析】：plain 原味 淡味，normal 正常，ordinary 普通， simple简单。句子含义是Fred 不喜欢加奶的咖啡，也不喜欢草莓奶酪，他喜欢纯味的。