I think this means:
If it's possible for a human being to do something, don't just say that he can't, just let him try, give him a chance.
A. Yesterday, Leo had a __more difficult__ time sleeping than today.
B. is incorrect because it is incorrect to say one has "a difficultly time" doing anything; you have "a difficult time" doing something.
C. is incorrect because you can not say "most" when comparing something to something else; you can either say "It was the MOST difficult" or "It was MORE difficult than that."
Oracle is the antonym of uninformed fool.
I hope I helped !!!! :))))
