You that mistake；you were too careless．
A. should not make
B. should not have made
C. ought not have made
D. must not have made
网友回答
A. should not make
(答案→)B. should not have made
C. ought not have made
D. must not have made
解析：本题考查情态动词。句中should not have done本不应当做某事，表示实际上已经做了某事。句意：你本不应当犯那个错误，你太粗心了。