单选题：Linux 2.4内核的schedule()函数以____的顺序执行。

Linux 2.4内核的schedule()函数以____的顺序执行。@[A](1)
A. goodness -> prepare_switch ->switch_to
B. prepare_switch -> switch_to -> goodness
C. switch_to -> prepare_switch -> goodness
D. goodness -> switch_to -> prepare_switch





A.goodness -> prepare_switch ->switch_to
B.prepare_switch -> switch_to -> goodness
C.switch_to -> prepare_switch -> goodness
D.goodness -> switch_to -> prepare_switch


答案：A