— I came to this school two years ago!

— _________.

[ ] 

A. So did I

B. So I did

C. So was I

以下检查有助于明确诊断，但需除外哪一项

A．B超显像

B．X线腹部摄片

C．血尿淀粉酶检测

D．Lundh试验

E．BT-PABA试验