4th one seems right
Because the other ones aren't that much of a deal if you think about them.
peace.
Answer:
C. Her eyes were too earnest to be earnest.
Explanation:
A paradox is an apparently true statement that leads to a logical contradiction, or a situation that contradicts common intuition. In simple terms, a paradox is "the opposite of what someone thinks to be the truth".
This description of what is a paradox exemplifies well what happens in the phrase "Her eyes were too earnest to be earnest."
B. Because you're giving extra information about the Confederate leader which is what contextualization is.