The answer to fill in the blank would be B) Thesis statement because the thesis is like the message the author is trying to send to his readers so they can comprehend his or her text.
The answer is c hope this helps :)
Answer:
D) Why do her friends have to be mailed abroad?
Explanation:
Another way of asking the question, "Why does she have to mail her friends abroad?' is option D which says, "Why do her friends have to be mailed abroad?"
This is because, they are both saying (or asking) the same thing which is to ask why her friends have to be mailed abroad.