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."
The correct answer is a: that. Hope this helps! :)
Two types of argument would be a non-emergency argument meaning it does not really count, it will be over later. And the seccond argument would be a emergency argument meaning it would actually count towards something. The emergency argument is more important