Angie's pet earthworm is digging around in her backyard. The equation y=-2x-5 can be used to represent this situation, where y is the depth of the earthworm in mm below ground and x is the number of mm the earthworm descends per minute. Which statement best describes the depth of the earthworm given this equation?
A) From a starting position of 5 millimeters below ground, the earthworm is descending 2 millimeters per minute.
B) From a starting position of 5 millimeters below ground, the earthworm is ascending 2 millimeters per minute.
C) From a starting position of 2 millimeters below ground, the earthworm is descending 5 millimeters per minute.
D) From a starting position of 2 millimeters below ground, the earthworm is ascending 5 millimeters per minute.