PLEASE HELP ASAP Which detail shows that Kamen was serious and passionate about his inventions?

Bart left for college and Dean stopped doing photography.
It was the early days of disco and light shows were the rage.
He used the money he made to buy more and more equipment.
Everyone wanted to buy a light box to connect to their stereo.

Plz which of the following is true about third-person limited point of view? it uses the word i, and one character tells the story. it uses the word you and makes the reader feel a part of the story. the narrator is not part of the story and only states the characters' actions and speech. the narrator is not part of the story but knows what one character is thinking and feeling.