Which word is closest to the meaning of the underlined word as it is used in the paragraph?

Use the thesaurus to find the correct meaning.

One day, John went to the town dock to fish. He had never been fishing before, but he used some fishing gear that had been his grandpa's. As John struggled to bait his hook, a man offered to help. The man was elderly and told John that he began fishing when he was a boy 70 years ago and as he grew up, he got better at it. The man gave John some fishing tips, and John could tell the man had many years of experience.

elderly
adj. ancient
adj. antique
adj. mature
adj. retired

A.
ancient

B.
antique

C.
mature

D.
retired