[单选题]
As the velocity of your spaceship increases, you wouldaer qp - mqtv4yry--58 orir,c9 o.;*ammb nxs,bserve
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
