Not always, because with evidence it can also be wrong. You need at least two to make a point if necessary.
Answer:
D
Explanation:
The narrator is not in the story and also knows everything that the characters are experiencing and feeling.
It's a nonessential word, clause, or sentence added to an already grammatically complete sentence. It's most commonly set off by brackets, but it can also be set off by commas or dashes.
Example:
My mother went to the supermarket and picked up some strawberries (my favorite fruit) earlier today.