The other informal words and phrases used by ha Jin in “the bane of the internet” are, Nuts and hothead
Informal words are referred to in everyday language, which is more casual.
Because informal words are used to bring out the common man's language and make it more humorous. As a result, Ha Jin's other informal words and phrases in "the bane of the internet" are "nuts" and "hothead."
Hence the correct option is, A. Nuts and hothead
To know more about informal words:
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