Which sentence uses hyphenation correctly?

A) When I was twenty-three years-old, I lived in Taiwan for a year and worked as an English teacher.
B)Mona Does not usually care for peanuts unless they are slow-roasted.
C)Lilac’s contract is up in mid-September, at which point he will start a new job.
D)My mother recently purchased a top-of-the-line juicer that can make delicious juices in a matter of seconds

C) Lilac’s contract is up in mid-September, at which point he will start a new job.