有关小隐静脉的说法，正确的是（）。
A.在足背内侧缘起于足背静脉弓
B.经外踝后方
C.沿小腿外侧上行
D.最后注入股静脉
参考答案：B
She has little time to do the cooking, _______ she? [ ]
A. hasn't
B. have
C. doesn't
D. does
流体动压润滑
