Talk to anyone in the city ______ you will find that the life of the victims in Yushu is the primary concern to the people now.  

A．or

B．so

C．but

D．and

如图所示，重物的质量为m，轻细绳AO的A端和BO的B端固定，平衡时AO水平，BO与水平方向的夹角为60°．AO的拉力F₁和BO的拉力F₂与物体重力的大小关系是（　　）

A．F₁＞mg

B．F₁＜mg

C．F₂＜mg

D．F₂＞mg