[单选题]
An object moves in a direction parallel to its length with a veloc u:ixv/ht+jm .p;(beufo;l 2xity thdts/xmz 9 *6bhat approaches the velocity of light. The width of this object, as measured x*bd zs/t96hm by a stationary observer,
A. approaches infinity.
B. approaches zero.
C. increases slightly.
D. does not change.
