[单选题]
An object moves in a diob: 30; qao+xu d)vuk4:o-qh:dqobm urection par in7yxgv07mya)tod (+allel to its length with a velocity that approaches the velocity of light. The length )ny vtamyid+0o(x7 7gof this object, as measured by a stationary observer,
A. approaches infinity.
B. approaches zero.
C. increases slightly.
D. does not change.