单选题 She makes no ______of their affair in public and he understands that he is not to refer to it with these new acquaintances.
A. concealment B. compliment C. amendment D. acknowledgement

【正确答案】 D

【答案解析】[解析] 根据句中“在公众场合承认确实有婚外情”可知，只有D项符合题意。 acknowledgement意为“承认，确认，感谢”。make acknowledgement of意为“承认”，与题意相符，因此D项为正确答案。