regretting
/rɪˈɡretɪŋ/feel sad, repentant, or disappointed over (something that has happened or been done, especially a loss or missed opportunity).
verb [vt. 及物动词] 为…感到遗憾(regret 的现在分词)
Ellis seemed to be regretting that he had asked the question. 埃利斯当时似乎正后悔不该问那个问题。