Answer:
I think this answer is correct see in the photo I have attached
Explanation:
Hope's it helps you
The main thing that this question is asking is which sentence does not have a formal tone. A formal tone for research writing usually means using more professional (instead of casual, everyday) language and free of your own opinions.
This means choice D is inappropriate because it is opinionated. Using "I think" is not formal tone.
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Answer: D) I think one of the most frustrating things about owning a cat is that they don't obey many commands.
False. You are supposed to give the definition to the word.
The answer to this question would be C. informal
Hope This Helps.......... Have A Nice Daaaay!