[单选题]
As the velocity of yoc3b*v) xpwe4 6rzeul+ ur3sid40af2j0 zngtcr 9 spaceship increases, you would observe
A. that your precision clock runs slower than normal.
B. that the length of your spaceship has decreased.
C. that your mass has increased.
D. all of the given answers
E. none of the given answers
