[单选题]
When the rocket engines on the starship NO-PAIi30wcw.+bi wt N-NO-GAIN are suddenly 4dh(b5d6exf5dl*vj q aaf1j1w:n i9uturned off, while traveling in empty space, the bi*9f x514 v nldajaf 1e5dq u:d6(whjstarship will
A. stop immediately.
B. slowly slow down, and then stop.
C. go faster and faster.
D. move with constant speed.