Using context clues, figure out what the word apprentice means in this sentence: When Ben Franklin was about twelve, he apprenticed as a printer to his older brother, James. Being an apprentice to his brother was not easy, and James made him work hard.
A.someone who signs on to learn a trade or job from an expert
B.someone who works harder than other people his age
C.someone who takes a job that he doesn’t really want
D.someone who teaches someone else how to do something