Can you tell me which you based your calculation detail ?A. on; inB. on; atC. about ;inD

问题补充：

Can you tell me which you based your calculation detail ?

A. on; in

B. on; at

C. about ;in

D. about; for

答案：

(答案→)A. on; in

B. on; at

C. about ;in

D. about; for

解析：考查介词，固定词组in detail意思“详细的”，base on意思“使建立在…基础上”，句子意思“你能告诉我你的详细计算建立在什么基础上”