【单项选择题】
()he saw his mother in person did he apologized.
A、A.Only
B、B.Until
C、C.Only when
D、D.Only until
A、A.Only
B、B.Until
C、C.Only when
D、D.Only until
A、the best thing he could do was B、he did his best C、all he could do was D、his best thing was
A、that he has his engines in reverse B、that he is shortening the distance between vessels C、to shorten the distance between vessels D、that his vessel is healthy