王某，男，68岁。长期排便困难，大便2～3天1次，今因7日大便未排来诊。症见：面白无华，神疲乏力，腹中冷痛，喜温畏寒，四肢不温，舌淡胖有齿痕，苔薄白，脉沉迟。治疗在主穴基础上加用（）。

A.中脘、太冲

B.关元、神阙

C.足三里、三阴交

D.脾俞、气海

E.肾俞、腰阳关

Robert           business two years ago, but he didn’t get along well at first for   experience.

A．pick up; want of

B．put up; short of

C．set up; need of

D．took up; lack of