mrs.robinsun had one small son. his name was billy. mrs.robinsun loved billy very much, and as he was not a strong child,she was always afraid that he might get ill, so she used to take him to the best doctor in the town four times a year to be examined. during one of these visits, the doctor gave billy various tests and then said to him, have you had and trouble with your nose or ears recently? billy thought for a second and then answered, yes i have mrs ronbinsun was very worried. but i,m sure you,ve never told me that,billy! she said anxiously. oh,really? said the doctor seriously. and what trouble have you had with your nose and ears,my boy? well, answered billy, i always have trouble with them when i'm taking my jersey off, because the neck is very tight which of the answers to these questions are right?
1. why did mrs.robinsun take billy to the doctor?
a. because he was ill.
b. because he was rather weak.
c. because he was always afraid.
2. why was mrs.robinsun worried?
a. because billy had not complained to her that his nose or ears hurt.
b. because billy complained to her that his nose and ears hurt.
c. because billy thought for a few seconds.
3. what made billy's nose and ears hurt?
a. the doctor's examination.
b. his trouble with the cold. 
 c. the tight neck of his jersey