-What did Mr. Green say to his son?      -He told him           .

A．didn't smoke

B．don't smoke

C．not to smoke

D．not smoke

蛔虫病常见的并发症有（）

A.胆绞痛

B.急性胆囊炎

C.急性胰腺炎

D.肠梗阻

E.蛔虫性腹膜炎