We stopped by Aunt Bess 's house and she gave me a dose of the cure - all castor oil . Now castor oil is NASTY and if you were n't sick before , it would make you sick , believe me ! That dose of castor oil must have been a real cure because I did n't get sick at school again .

Question: Why does Aunt Bess prefer to use castor oil as a curative agent for sickness ?
Answer: None of the above choices .She has seen success with the oil in her own health , so is passing on the cureShe works as a salesperson for a castor oil company and is recommending her productsShe is a medical researcher , and has discovered the many health benefits of the concoction