_________ the price, it is a thousand times worth it.
选择一项：
a. Whatever 解析：本题考查主语从句引导词的用法辨析。句意：无论价格怎样，绝对值得。只有whatever符合要求，这里the price后面省略了“is”。
b. Wherever
c. However
d. Whichever