[单选题]
An object moves in a 0m34kbdzbzx8 us8fev - 4uat9 directi3oel wj+i -qc:on parallel to its length with a velocity that approaches the velocity of light. The width of this object, as measured by a stationarye oqj3 il:+cw- observer,
A. approaches infinity.
B. approaches zero.
C. increases slightly.
D. does not change.
