—Are you ready for Spain?—Yes I want the girls to experience that they’re young.A. before

问题补充：

—Are you ready for Spain?

—Yes, I want the girls to experience that they’re young.

A. before

B. until

C. while

D. since

答案：

A. before

B. until

(答案→)C. while

D. since

解析：考查连词：A. before在…前面B. until直到C. while虽然，当…时候D. since自从，句意：--你准备好去西班牙了吗？--是，我想这些女孩在年轻时候体验一下。选C。