Assuming you meant explanatory text and not exclamation text, the answer would be brackets. For example, say your quotation is "She wrote the book." If you are quoting this directly in a paper, you want your audience to know who "she" is. So, you use brackets, and write the following: "[J.K. Rowling] wrote the book." Hope this helps.
A sudden, forceful backward movement; recoil.
Answer:
C
Explanation:
The answer is not A because the P photographer is capitalized
The answer is not B because the U in uncle is capitalized
The answer is not D because the N in neighborhood is capitalized.
A- Many ethnic groups lived in the artic regions
