Which passage from the article best supports the idea that worm charming can be a profitable business?

A.On a typical morning, professional charmers may collect about 4,000 earthworms. The worms are then sorted into buckets of 50 and sold for freshwater fishing bait.

B.There's even a Guinness World Record for worm charming, set by a 10-year-old girl in the UK in 2009.

C.And these events get competitive, pitting grunters against each other to determine who has the best worm-charming skills.

D.Some grunters put a running chainsaw into the ground. Others use knitting needles or pitchfork tines.

A.On a typical morning, professional charmers may collect about 4,000 earthworms. The worms are then sorted into buckets of 50 and sold for freshwater fishing bait.