Fred doesn't like white coffee,

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。