Answer:
Did i meet anybody during his long absence?
Affermative:
I met anybody during his long absence.
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.
------
Answer: D) I think one of the most frustrating things about owning a cat is that they don't obey many commands.
Hello. You did not show the answer options, nor did you show the text to which the question refers, which prevents me from answering your question exactly. However, I will try to help you by explaining what a main claim is in a text.
Within a text the main claim is the main idea to which the text presents. It is the subject that the text decides to address.
Usually you find the main claim of a text right at the beginning of the text, because the author needs to arrest readers right from the start showing what the text will discuss about and arresting readers who show interest in the type of discussion presented.
The answer is D. It helps you to understand that Anne's death was tragic, because she could not prevent others from publishing her diary.
the answer is B because ballads are supposed to be rhythmic