— I’m not the man ________the phone. She asked for Henry.

　　　　— I’m sorry I was mistaken.

A．called on

B．calling over

C．wanted on

D．rung up on

3岁男孩突发性腹痛，大便有血，腹部可触及包块，下述疾病哪一种可能性大：（）.

A．坏死性小肠炎 

B．小肠扭转 

C．小肠肿瘤 

D．肠套叠 

E．急性阑尾