[单选题]
When the rocket engines on the starship 6jk .ao,jnx)wNO-PAIN-NO-GAm1 rgi 55bnydrh:3 g:rIN are suddenly turned off, whigbrr5::1y 5 dh nrg3imle traveling in empty space, the starship will
A. stop immediately.
B. slowly slow down, and then stop.
C. go faster and faster.
D. move with constant speed.