I haven’t seen my aunt since the Covid-19 began in 2019. A. I last saw my aunt37/40I haven’t seen my aunt since the Covid-19 began in 2019.I last saw my aunt before the beginning of the Covid-19.My aunt left the country after the Covid-19 so didn’t see her.I haven’t seen my aunt for so many years because of the Covid-19.My aunt didn’t come back until the start of the Covid-19 in 2019.Giải thíchChọn đáp án A