[单选题]
As the velocity of yourigkyl7e uj9 wf8-df ,0 sp x9xyu i8os:xy0xe7b9aceship 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
