The girl was drowned unfortunately. She though because there were so many people standi

问题补充：

The girl was drowned unfortunately. She , though, because there were so many people standing on the banks at that moment.

A. should have saved

B. could have been saved

C. should be saved

D. couldn’t have been saved

答案：

A. should have saved

(答案→)B. could have been saved

C. should be saved

D. couldn’t have been saved

解析：考查虚拟语气：句意：女孩不幸溺水。她可以被救上来，因为很多人当时站在岸边。从because后面的原因，可知女孩本来是可以被救起，但是没有，因为是被动含义，排除A。C项是对现在的虚拟，也不对，could have done本来可以做却没有，couldn’t have done过去不可能做了…，选B。