When did Muhammad Ali win his first Olympic gold medal

A．he was very much interested in the sport
B．he intended to revenge on the bike thief
C．he found a policeman as his best trainer
D．he had got boxing lessons from the police

A．They have caused their parent to drink a lot.
B．They have felt sick at their alcoholic parent.
C．They are inclined to change their favorite drink.
D．They will like drinking all the time as their parent.