She is very dear to us. We have been prepared to doit takes to save her life.A. whicheverB

问题补充：

She is very dear to us. We have been prepared to doit takes to save her life.

A. whichever

B. however

C. whatever

D. whoever

答案：

A. whichever

B. however

(答案→)C. whatever

D. whoever

解析：考查宾语从句。从句中it takes后缺少宾语，所以用whatever，句意：她对我们来说非常珍贵，我们已经做好了准备无论花费什么精力也要救她的命。所以选C。