Answer: D. 87.92 in
Explanation:
The hula hoop is a circular shape so assume that this is a circle. 
The 14 inches that it measure from the center to the outside is therefore the radius. 
The distance around the hula hoop being looked for is the circumference.
Circumference of a circle = 2 × π × radius 
= 2 * 22/7 * 14
= 88 inches 
Closest answer in options is D. 87.92 inches.