问题
选择题
Long ago, the CLA and other US intelligence officials concluded that Bin Laden _____ the day –today leader of the terrorist organization he founded over 10 years ago.
A．was stopped being
B．had stopped to be
C．have stopped being
D．had stopped being
答案
D
句意：很久以前，美国中央情报局面等的情报官员推断，本.拉登已经终上了对他十多年前他创立的恐怖组织的日常领导工作。因为主句时态为一般过去时，而从句动作发生在它之前，故需用过去完成时，且用主动语态，排除A、C。stop to do 停下来去做（别一件事）；stop doing 停止做某事。因此选择D。