Of great red monsters making as to fight him... C.
We don't have any proof that he or his own child got poliomyelitis as an infant. Also, this disease has been a serious issue <em>before </em>he became a doctor, so 2 is out also.
This only leaves one answer left. =)
I don’t understand the questions
Well you didn't link the options... but quotes are used to set off direct speech or certain phrases.
The answer is Monotonous.
eg. Talking in a monotonous voice.