They are organizing a program to ________people's attention to protecting wild animals.

A．give

B．pay

C．draw

D．have

阅读李斯《谏逐客书》一段：

臣闻地广者粟多，国大者人众，兵强则士勇。是以太山不让土壤，故能成其大；河海不择细流，故能就其深；王者不却众庶，故能明其德。

概括这段话的主旨。