The e-mail he sent to me ______ that he knew nothing about the earthquake happened in Japan. [ ]

A. spoke

B. suggested

C. told

D. found

齿状线以上的肛管（）。

A.静脉回流到肠系膜上静脉

B.淋巴回流入腹股沟浅淋巴结

C.由直肠上动脉供给

D.接受阴部神经的肛神经支配

E.接受交感和副交感神经支配