可爱的猴子

    Look at those monkeys! How lovely they are! A mother and a baby are sitting on the hill. The mother is talking to its child. Some monkeys are jumping up and down. Others are swinging. I throw some bananas to them. One of them gets a banana. It runs away quickly and eats the banana behind the hill. I take photos of them. Suddenly I find two of them picking up stones. What do they want to do? Ha! They are talking photos, too.

设直线l₁，l₂分别是函数f（x）= $\{\begin{array}{l}-\ln x,0<x<1\\ lnx,x>1\end{array}$ 图象上点P₁，P₂处的切线，l₁与l₂垂直相交于点P，且l₁，l₂分别与y轴相交于点A，B，则△PAB的面积的取值范围是（　　）

As ____ (lead) of the groups, they all want their own teams to win in the final.