He flunked the chemistry test. Flunked is

jargon
sexist language
euphemism
colloquial

my answer
D

Right.

To determine the correct answer, let's break down each option:

1. Jargon: Jargon refers to specialized terminology used within a particular field or profession. The phrase "flunked the chemistry test" is not specific to any particular field or profession, so it would not be considered jargon.

2. Sexist language: Sexist language refers to language that discriminates or excludes individuals based on their gender. The phrase "flunked the chemistry test" does not exhibit any gender bias, so it is not sexist language.

3. Euphemism: A euphemism is a mild or indirect word or expression that is used to substitute for something that may be considered too harsh, blunt, or unpleasant. The phrase "flunked the chemistry test" is a direct and straightforward statement, so it is not a euphemism.

4. Colloquial: Colloquial language refers to informal or conversational language commonly used in everyday communication. The phrase "flunked the chemistry test" is a commonly used expression in informal conversation, making it colloquial.

Therefore, the answer is option D: colloquial.