[单选题]
As the speed of a particle approaches xh) imq1k+dtd3.wlz3 the speed of light, the momentum on8q fawfu. kpw*57f.fl0 mwrazo2 /z )f the parti 7n*lawf5rw)82zauf 0om .f/ qkwf .pzcle
A. increases.
B. decreases.
C. remains the same.
D. approaches zero.
