It represents Kafka's lifelong feelings of inadequacy.
The Importance of Being Earnest is first and foremost a farce, a comedy of manners whose main goal is to amuse the audience, rather than to make them think.
You need a hyphen when a number is written out from numbers 1-99. So in the case, the answer would be A.
Hope this helped.
Assuming you're referring to what you typed, it would be informal.
