No one in the department but Tom and I        that the director is going to resign（辞职）.

A．knows

B．know

C．have known

D．am to know

肠梗阻的急诊手术适应证有（）

A.各种类型的绞窄性肠梗阻

B.肿瘤及先天性肠道畸形所致的梗阻

C.非手术治疗无效的肠梗阻

D.痉挛性肠梗阻

E.腹部触及包块的肠梗阻