A kind of comedy which portrays the meaninglessness of human existence is a/an-

Correct answer: Black Comedy.

• Black Comedy or Dark Comedy:
- A kind of comedy which portrays the meaninglessness of human existence.
- It reflects the worldview that life is a "tragic farce" because it is controlled by fate or fortune.
- So this kind of comedy laughs at human predicaments, which hide a bitter frustration.
- Dark Comedy হলো এমন এক ধরণের হাস্যরসাত্মক শৈলী, যা মৃত্যু, যুদ্ধ, রোগ বা অপরাধের মতো গুরুতর, সংবেদনশীল এবং বেদনাদায়ক বিষয়গুলোকে কৌতুক বা বিদ্রূপের মাধ্যমে উপস্থাপন করে।

Other options:
ক) Romantic Comedy
- A form of comedy which deals with love, often love at first sight, as its main theme.
- It starts with some problems that make the union of lovers difficult.
- Example: Shakespeare's "As You Like It" is a romantic comedy.

খ) Comedy of Humours
- It is a dramatic genre most closely associated with the English Playwright Ben Jonson from the late 16th century.
- এই ধরণের কমেডিগুলোতে সাধারণত চরিত্রগুলো নিজেদের হিউমার (temperaments) অনুযায়ী আচরণ করে থাকে।
- Example: Ben Jonson's Every Man in His Humour and Every Man Out of His Humour are two famous comedies of humours.

গ) Comedy of Manners
- It is a witty and intellectual form of dramatic comedy that portrays the ridiculous behavior pattern of the members of an aristocratic society.
- এই নাটকগুলোতে বুদ্ধিবৃত্তিক ভাবে সমাজের রীতি নীতির বিভিন্ন অসঙ্গতি তুলে ধরা হয়।
- Example: "The Way of the World" by William Congreve is an example of such comedy.

Source:
1. Britannica.
2. An ABC of English Literature, Dr. M Mofizar Rahman.