" Make good use of your time. You won't get such an opportunity again."
A.He let me make use of my time, knowing that I wouldn't get an opportunity again.
B.He ordered me to make use of my time, saying that I wouldn't get an opportunity again.
C.He advised me to make good use of my time as I wouldn't get such an opportunity again.
D.He offered me such an opportunity so that I could make good use of my time.