中国主权财富基金的发端是( )。

A．中国国际金融有限公司
B．中国投资有限责任公司
C．国家外汇储备管理局
D．中国银监会

How should you signal the crane operator to hoist?（）.

A.With foremarm vertical and forefinfer pointing up ,move hand in small horizonal circles

B.With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles

C.Extend arm with fingers closed and thumb pointing upward

D.Place both fists in front of the body with the thumbs pointing outward