Which of the Following Definitions of Break-Even Point Is Correct

Which of the following definitions of break-even point is correct?

A) The break-even point is where total revenue equals total fixed costs plus variable costs.
B) The break-even point is where total sales revenue equals total contribution.
C) The break-even point is where total fixed costs equals total variable costs.
D) The break-even point is where total revenue equals total fixed costs less variable costs.