I always leave things about my son up to himself his decision is wrong for I think he ca

问题补充：

I always leave things about my son up to himself his decision is wrong, for I think he can learn more from failure.

A. in case

B. even if

C. unless

D. until

答案：

A. in case

(答案→)B. even if

C. unless

D. until

解析：考查连词：A. in case以防，B. even if即使，C. unless除非，D. until直到，句意：我一直让儿子决定事情，即使他的决定是错的，因为我想他可以从失败中学到更多的东西。选B。