The only language that he could speak was（）

A．the old man could eat only a little food
B．the old man could eat a lot
C．the old man ate little because of his old age
D．the old man ate little because of seasickness

A．to live the rest of his life with them
B．and stay with them for a few years
C．to help them run their restaurant
D．to see how rich they had become