[单选题]
As the speed of a partiove or xqd0+b3uwy. i.*a:zsm1: zb0 ucle aptz5 d easw33sw;zvnb ( f/1g)wproaches the speed of light, the momentum of the partica s 5e;gf(znbwztd3w)3/ wsv1le
A. increases.
B. decreases.
C. remains the same.
D. approaches zero.
