阅读理解。
     In the doctor's waiting room, sick people are waiting on their chair. Bob, a school boy, is among them.
They all look very sad except (除了) Bob. He is enjoying an exciting story in a magazine. Just then the
 doctor comes in to say he is ready for the next person. Bob jumps up and runs into the doctor's room.
     "What's your trouble?" says the doctor. Before Bob could say a word, the doctor makes him lie down
 on a bed,  "Now, let me listen to your heart." Bob tries to speak, but the doctor tells him not to say
 anything. "I'll take your temperature." Bob tries to sit up, but the doctor stops him. After a moment, the
 doctor says, "Well, boy, you don't have a fever. In fact, there's nothing wrong with you."
     "I know there isn't," says Bob. "I just come here to get some medicine for my father."
1. Bob sits in the waiting room to_____.
    A. see the doctor
    B. wait for the doctor
    C. read his magazine
    D. buy some medicine
2. All the sick people look sad except Bob because _____.
    A. Bob is too young to (太小了而不会) worry about anything
    B. his father isn't very ill
    C. he is interested in the magazine
    D. there is nothing wrong with him
3. From the passage we can see that _____.
    A. the doctor is careless
    B. there is no nurse in the doctor's room
    C. the doctor is warm-heart
    D. the doctor takes Bob as (把Bob当作) a sick person
4. While looking over Bob, the doctor might think that_____.
    A. Bob is funny
    B. Bob isn't naughty (淘气的)
    C. Bob is foolish
    D. Bob is very ill
5. When Bob tells the doctor what he is here for, the doctor might think that _____.
    A. he himself is funny
    B. he himself is careless
    C. he himself is foolish
    D. he himself is naughty