语法与词汇 20.Any negative statements and accusations should be made______and forthrightly answered, preferably at the level on which they originate.

【正确答案】 A

【答案解析】各选项的意思是：promptly敏捷地，迅速地；thoroughly充分地，彻头彻尾地；punctually按时地，如期地；exactly正确地，严密地。根据句意可知，应选择A。