Ben Is Racing a Light Beam in a 100-Meter Dash

Ben is racing a light beam in a 100-meter dash.Ben bursts out of the starting blocks at 99 percent of the speed of light (0.99c) .At the same instant,a flashlight beam is turned on from the starting blocks.
-How does the explosion of a nuclear bomb provide evidence of the theory of relativity?

A) The bomb causes things in its vicinity to move at very high speeds,allowing scientists to measure effects of time dilation.
B) The mass of the bomb when it explodes is much greater than its normal mass.
C) The bomb shortens the lifetimes of all people who happen to be near it when it detonates.
D) The bomb produces energy in accord with E = mc²,which is part of the theory of relativity.