Peter is located at a position of -11 feet relative to the ground. which statement shows the distance he is from ground level?

a) |11| = -11, therefore peter is at a distance of -11 feet.
b) |-11| = 11, therefore peter is at distance of 11 feet.
c) |-11| = 11, therefore peter is at a distance of -11 feet.
d) |11| = 11, therefore peter is at a difference of 11 feet.