【题目】For all the failure of his business, he remains optimistic and ________ untroubled by his problems.
A. hopefullyB. seemingly
C. rarelyD. frequently
在线课程【答案】B
【解析】
考查副词词义辨析。句意：尽管他的生意失败了，但他仍然很乐观，似乎没有受到自己问题的困扰。hopefully充满希望地；seemingly似乎，好像；rarely很少地，罕见地；frequently频繁地。根据“he remains optimistic”可推知，生意失败似乎没有困扰他。故B选项正确。