问题
选择题
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
答案：B
题目分析：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。