It's D, since ambition is mentioned a lot.
Third person limited is when the narrator knows only the thoughts and feelings of the main character and third person omniscient is when the narrator knows the thoughts and feelings of all the characters
The correct answer would be letter b. False, because a short story does not necessarily need only a single problem, single plot, and single conclusion. For many short stories has have those kind of characteristics but one thing in common is that it does not contain only one thought.