To fully understand the writer, we must read not only between the lines, but sometimes  _______ the lines. 

A．beyond

B．within

C．among

D．beside

胃肠道功能健全的患者最适宜的营养治疗方式是（）

A.全胃肠外营养

B.周围静脉营养

C.肠内营养

D.中央静脉营养

E.肠外营养