读短文，判断正(√)误(×)。

      Mike is a good student. He gets up at six thirty every day. He likes to wear his blue sweater. He goes to

school at seven fifteen. He has English class at eight o'clock. He likes English very much. He has lunch at home.

In the afternoon, he always plays football on the school playground. He does homework after dinner. He goes to

bed at nine o'clock.

( ) 1. Mike gets up at 6: 20 every day.

( ) 2. Mike has a blue sweater.

( ) 3. Mike has lunch at school.

( ) 4. Mike likes to play football.

( ) 5. Mike does homework after school.

数据流图中的顶层图可以有（）个加工。

A．0

B．1

C．不多于9

D．任意