The root word for unmistakable is mistake
Hello. Your question is incomplete, which makes it impossible for it to be answered. However, I will try to help you in the best possible way.
If the word, to which your question refers, is capable of foreshadowing something, it means that that word is advancing very important information about the plot in a subjunctive way, with the aim of promoting anxiety in the reader, stimulating curiosity, which will keep and will optimize reading.
I'm fairly certain that it's an abstract noun. My apologies if that is not correct.
Answer: A. True
Explanation: It is true that humorously phrased hurtful messages were found by researchers to be less hurtful than non-humorously phrased comments.
Humorous phrase are phrase use with humor flattering someone but the person is not offended, they are used in expressions and comments.