Questions 1 to 5 are based on the following conversation.

1（）

A．In Cherry Blossoms Village ninety of the residents are over 85 years old.
B．In the United States, there are twice as many centenarians as there were ten years ago.
C．All the people studied by these scientists from Georgia live in institutions for the elderly.
D．Almost all the residents in Cherry Blossoms Village have unusual hobbies.