you prefer, I'll give it to you. But we haven't any other models for you to choose from.
A. Whatever
B. Whenever
C. Whichever
D. However
网友回答
A. Whatever
B. Whenever
(答案→)C. Whichever
D. However
解析：考查引导词的选用。句意：不管你更喜欢哪个，我都会给你的，但是我们没有其他的型号可以选择。prefer 表“更喜欢”之意。句子表达的是“在几者中选择”之意，所以应用whichever。Whatever无论什么，whenever无论哪里，however无论怎样，选啊C。