It is difficult to imagine his the decision without any consideration.
A. accept
B. accepting
C. to accept
D. accepted
网友回答
A. accept
(答案→)B. accepting
C. to accept
D. accepted
解析：考查动名词做宾语：imagine doing sth. 想象做…,his是动名词的逻辑主语，句意：很难想象他没有考虑就接受了这个决定，选B。