The prefix used in a word to indicate opposite of, is ill. For example, illiterate
I think you should use a tone that sounds very interested and very keen to know. Also, it should sound very 'socialised' and feisty voice.
Hope this helps :)
Answer:
Meaning that the trouble that was made was all their fault. (I think, I hope it helped)
The answer to your question is b
Answer:
Because knowing too much is to much for the mind to handle sometimes ignorance is bliss