[单选题]
When the rocket enginesvzocvzute x2fppwg4*9l-- : . on u w3c 4j1b3dt9bff u 5)mu-naqthe starship NO-PAIN-NO-GAIN are suddenly turned off, while traveling in empty space, thedb3 au)un 519mq4fbft wj3u-c starship will
A. stop immediately.
B. slowly slow down, and then stop.
C. go faster and faster.
D. move with constant speed.