Context: Read the text about a person in motion.
Anthony hiked up a tall mountain. He followed a trail all the way to the summit.
Complete the statement. Assume that Anthony's mass did not change.
The gravitational potential energy stored between Anthony and Earth () as he hiked toward the summit.
A. increased
B. decreased
C. stayed the same
Determine the correct option from the provided choices and reply with its corresponding letter.

A