A doctor had a son who qualified(获得….资格) as a doctor himself

A doctor had a son who qualified(获得….资格) as a doctor himself. One day his father decided to have a holiday and he asked his son to look after all his patients. When he returned form his holiday he asked his son if anything had happened.
“Well, yes, Dad ,” the son said, feeling very proud of himself. “You remember Mrs. Jones, the lady whose back pains you’ve been treating for twenty years. Well, I’ve cured them.”
“I see, ” replied his father, not very pleased. “Mrs. Jones’ back pains paid for your university fees. I was hoping they’d pay for your new car as well.”
1. While away from home, the father was ______
A certain that his son was able to take up his job.
B wondering if his son could do a good job
C sure that something had happened
D worried about Mrs. Jones’ back pains
2. Seeing his father back, the son was ______.
A certain that his father would praise him
B afraid that his father would scold him
C wondering what his father would think of his job
D was hoping that his father would let him take up the job
3. Which of the following is not true?
A The father was clever at making money out of his patients.
B The father’s medical skill was not so good as his son’s.
C The doctor was selfish.
D The doctor was a dishonest man but a loving father.
4. What does the writer intend to tell us by this story? He intends to _____.
A disclose(揭发) the secrets of some doctors
B criticize (批评) some doctors for their dishonesty
C prove that sons will be better than their fathers
D tell us something funny.