--- Could I use your bike for a while. Sam?

--- ________. I’m not using it.

A．I have no idea

B．Sure, go ahead

C．No. you can’t

D．Never mind!

易与小儿肠套叠混淆的疾病包括

A．细菌性痢疾

B．急性坏死性小肠炎

C．过敏性紫癜

D．Meckel憩室出血

E．上述疾病都可能