Only "B.In the end, she <span>settled for something simple: a black tee, ripped jeans, and a headband" uses a colon correctly because it is making a list of things, while the other sentences are simply interrupting the prose. </span>
I'd say it's between B. or D. since A and C look like what the green light represents.
Answer:
is an attitude of a writer toward a subject or an audience
Explanation: