Answer:
C. It increases the reader's interest and insight into a character.
Explanation:
I hope this helps. =D =^0o0^=
The answer is C. present; first-person
A flashback tells something from the past so the answer would have to be (A) this is because of the use of the word recall. In every other option the verb is present or future tense instead of past tense.
Some people can gain weight by eating more calories than they burn.