单选题
With his blows knitted, the doctor contemplated the difficult operation he had to perform.
【正确答案】
D
【答案解析】[解析] 本题中，contemplated的意思是“凝视，沉思，预期，企图”。四个选项中，thought deeply about的意思是“深思”；succeeded in的意思是“在……方面成功”；decided against的意思是“不赞成做某事”；went on with的意思是“伴随”。只有D项符合题意。