Read the passage and answer the question.
The ocean waves pounded the small sailboat, threatening to toss the occupants
desperately clinging to the rails into the churning ocean. Suddenly, there was a
pinprick of light in the distance. A fishing boat had heard the distress call of the
sailboat crew and were coming to the rescue. After surviving the harrowing
ordeal, the crew of the sailboat presented their guardian angels a medal.
The term "guardian angels" is a figurative phrase for which of the following?
Select one:
coast guard
O heavenly hosts
sailboat crew
rescuers