[单选题]
An object moves in a direction paralle+wfp iybmkyh y2.;:+yl to itbj;nb *tl v(a+s length with a velocity that approaches the velocity of light. The lengt j ;b*(alvnt+bh of this object, as measured by a stationary observer,
A. approaches infinity.
B. approaches zero.
C. increases slightly.
D. does not change.