[单选题]
An object moves in a directio-pwts+a*p wp;n parallel to its length 8 hgo0))yhqqdwith a velocity that approaches the velocity of light. The wid)hho8yqd 0g)q th of this object, as measured by a stationary observer,
A. approaches infinity.
B. approaches zero.
C. increases slightly.
D. does not change.
