Answer:
Its D. Messenger system.
Explanation:
Just took the test and its correct!
1- in
2-applied
3- through
4- just
5- achieved
6- close
7- but
8- filled
9- saying
10- giving
11- come
12- within
13- figure
I think the answer is sending out light; shining or glowing brightly. all you had to do was googled the answer and that's what you get . hope it helped.
B. thesis because that is a big part of the essay