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.
The writer Ernest Hemmingway of “Old Man at the Bridge” used the theory of the intrinsic aspect of prose here.
He had mentioned a distinct protagonist, a particular setting, conflict, simile, imaginary and internal monologue in the prose for making it a perfect drama.
Various animals are also used and represent different symbols.
D. This movie is about to begin, boys and girls.
Answer:
You are a thoughtful,reliable student
Explanation:
Because thoughtful and reliable are two different words with different meaning they cannot be in a sentence without a comma
