JAMB Use of English 1982 Question 22

JAMB 1982 Passage V: Professor Ikin and Dr. Okoro

Dr. Okoro cannot be seen as a threat to Professor Ikin because

1. A.he is very junior to Professor Ikin in the university hierarchy
2. B.because a cow does not take notice of a fly perching on its back
3. C.Professor Ikin is old enough to be Dr. Okoro's father
4. D.a Doctor is inferior to a Professor
5. E.they do not teach the same subject.