There is no doubt______he is a good employee, for he has all the qualities that the company needs.
【正确答案】 C
【答案解析】分析句子结构可知,doubt和逗号之间为同位语从句。he is a good employee是对doubt内容的解释,故应选that。也可将“there is no doubt that…”结构视为固定搭配。