[单选题]
An object moves in a direction parallel to its length gyap, s;s:y dj(5ri s)w)fzh ,rw0qa ,yith a velocity that approaches twf)qy, h r,0azhe velocity of light. The length of this object, as measured by a stationary observer,
A. approaches infinity.
B. approaches zero.
C. increases slightly.
D. does not change.
