[单选题]
You are standing in a movhj )1lbbl1sk *ixd/ule q1x.f sl 9p(j:ng bus, facing forward, and you suddenly fall forward. You can imply from this that the bu (: f1xplqxuelj/ .9dss's
A. velocity decreased.
B. velocity increased.
C. speed remained the same, but it's turning to the right.
D. speed remained the same, but it's turning to the left.