A．people dislike being called "old"
B．people are proud of being old
C．many people reach the age of seventy or eighty
D．the elderly are the first to get food in restaurants

A．lost his job in the restaurant
B．made friends with the couple
C．no longer respected the elderly
D．changed his way with older people

A．The more Jack explained, the angrier the couple got
B．Jack wanted to show his feelings through words after his experience
C．The manager went back to the table and apologized to the couple
D．From this experience, Jack learned more about American culture