---- Who were those people with the flag?

---- A group _______ itself the league for peace.

A．calling

B．called

C．calls

D．is called

萝卜富含维生素C，享有“水果萝卜”之美称，经常食用可以预防（　　）

A．夜盲症

B．脚气病

C．坏血病

D．佝偻病