Answer:
Dialogue using the character's own words is one way a writer can show rather than tell readers what a character is like. Dialogue involves summarizing what characters say to help the story move along more quickly.
It is Either D or A most likely D
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.
Answer:
Everyday life can get in the way of self discovery