Is this a complete sentence "wait! i'm starving!" i called from the back seat.” (14)

Yes

Explanation:

This sentence is a complete sentence, it isn't missing any important sentence structure details.

the correct order is:

you're your own worst enemy:

they're going to say what they say, but

their opinions aren't holding you

back. it's your self-defeatist

attitude that's keeping your work

from getting its due.