The doctor tried their best to save the old man"s life,_______failed.A:or B:so C:but D:because

The doctor tried their best to save the old man"s life,_______failed.A:or B:so C:but D:because
The doctor tried their best to save the old man"s life,_______failed.
A:or B:so C:but D:because

The doctor tried their best to save the old man"s life,_______failed.A:or B:so C:but D:because
Cbut 但是,表转折
翻译是 这个医生尽了最大努力挽救这个老人的生命,但是失败了

c but
医生们竭尽全力去挽救这个老人的生命，但是没有成功

选C