A Spaceship Carrying a Light Clock Moves at a Speed

Multiple Choice

A spaceship carrying a light clock moves at a speed of 0.960c relative to an observer on Earth.If the clock on the ship advances by 1.00 s as measured by the space travelers aboard the ship,how long did that advance take as measured by the observer on Earth?

A) 0.96 s
B) 1.2 s
C) 2.6 s
D) 3.6 s
E) 5.8 s