Velma, Who Is Carrying a "Light Clock," Passes Mort at a High

Multiple Choice

Velma, who is carrying a "light clock," passes Mort at a high speed. Velma observes that, during one tick of her own light clock, the light beam on her clock travels

A) no distance at all.
B) further than 300,000 km.
C) 300,000 km.
D) a distance of one light year.
E) less than 300,000 km.