I believe that it means we never know our full potential, and that we never know how great we are till we are asked to show it.
I believe it is c) the cacophony illustrates that the speaker has mixed feelings about opening the basket
hope this could help
Annus Mirabilis - John Dryden
Second Treatise on Government - John Locke
Leviathan - Thomas Hobbes
A Dictionary of the English Language - Samuel Johnson
You need to put the article in the question