A:杂合红眼雌果蝇×红眼雄果蝇
B:纯合红眼雌果蝇×白眼雄果蝇
C:白眼雌果蝇×红眼雄果蝇
D:白眼雌果蝇×白眼雄果蝇
I __________ Beijing three times, I know there very well.
Food and Drink Club is ____ (he) favourite club.