A project manager spent some days to create a multi-page document which he called project charter．The document should have been issued by the project sponsor．The sponsor found the document outsized and asked for a condensed document．Which of the following is not normally an element of the project charter ？（）

A．The formal authorization to apply organizational resources to project activitie

B．Detailed control account and work package description

C．The business need that the project was undertaken to addres

D．The product description or a reference to this documen

下列条件语句中，功能与其他语句不同的是（ ）。

A．if(a）printf("%d\n",x); else printf("%d\n",y);

B．if(a==0）printf("%d\n",y); else printf("%d\n",x);

C．if (a!=0）printf("%d\n",x); else printf("%d\n",y);

D．if(a==0）printf("%d\n",x); else printf("%d\n",y);