试题讲解He's going to France in August,and staying ()SeptemberA at B in C until D for 答案我觉得应该是C, 但是我记得until不是用于否定句当中吗?

试题讲解He's going to France in August,and staying ()SeptemberA at B in C until D for 答案我觉得应该是C, 但是我记得until不是用于否定句当中吗?
试题讲解
He's going to France in August,and staying ()SeptemberA at        B in      C until        D for 答案我觉得应该是C, 但是我记得until不是用于否定句当中吗? 

试题讲解He's going to France in August,and staying ()SeptemberA at B in C until D for 答案我觉得应该是C, 但是我记得until不是用于否定句当中吗?
选C.until 也可用于肯定句,表示动作持续,一直到------