In English, commas should be used within a quote, in order to separate it from the indirect speech, and before the quote, for the same reason.
Thus, this is the correct answer:
"I know you did it," the detective accused the murderer, "and I can prove it!"
"Please remember to watch the gap," the conductor warned.
The answer to this question is B.
Self-actualization is usually used for someone who goes to the limits to fulfill their talent, ability, or job. They realize how good they can do in their profession.
This individual you mention has a great desire to become ideal, or a star. This is someone with self-actualization needs.
