Just now you said you always got to work on _______ 8 o’clock train. But would _______ later train get you to work on time?

A．a; a

B．a; the

C．the; the

D．the; a

阑尾穴的定位是（）

A.在膝上部，髌底的中点上方2寸处

B.在小腿外侧，腓骨小头直下2寸

C.屈膝，在髌韧带两侧凹陷处

D.在小腿内侧，内踝尖上5寸，胫骨内侧面的中央

E.在小腿前侧上部，当犊鼻下5寸，胫骨前缘旁开一横指