PLS HELP!!
Which statement correctly describes the relationship between the diameter and circumference of a circle?

A.
The ratio of a circle's circumference to its diameter is equal to π.


B.
The ratio of a circle's diameter to its circumference is equal to π.


C.
The sum of a circle's diameter and its circumference is equal to π.


D.
The difference between a circle's circumference and its diameter is equal to π.