A:I occurred to a good idea all at once.
B:I came up with a good idea suddenly.
C:A good idea suddenly struck me.
D:A good idea came into my mind suddenly.
在一艘做匀速直线运动的游轮上,某同学朝各个方向用相同的力进行立足跳远,则下列说法中正确的是 ( )