A man's______is best when he can forget himself and any reputation he may have required and can concentrate wholly on making the right decisions.

【正确答案】 D

【答案解析】解析：A项表示“预期，预料”；B项表示“感谢，承认”；C项表示“期待，指望”；D项表示“判断，判断力”。所填的词对应的是“做出正确的决策”，用“judgment”符合题意。所以应该选D。