Which kanji word is read 「きたない」?

Answer and explanation

Correct answer: A. 汚い

「きたない」 is written 汚い and means dirty.
Answer: 汚い.
Why not the others: 暖かい: it is read あたたかい and means warm. 長い: it is read ながい and means long. 新しい: it is read あたらしい and means new.

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