Which Statement Accurately Describes the Term Around-The-Clock Availability

Which statement accurately describes the term around-the-clock availability?

A) It means that you will be paid for working 24 hours a day, 7 days a week, 365 days a year.
B) It means workers may be expected to be available practically anytime without extra pay.
C) It is illegal under Canadian labour laws.
D) It refers only to websites, not people.