再请教几道语法题（《托福新语法》上的）

1。 Civilization today had depended on wood at great cost to the world's natural resources.

答案是：A。我也赞同，但是这句话是什么意思啊？

2。The most amusing animals in the zoo were the _______chimpanzees at the monkey's tea party.

(A) playful, African, blackhaired                    (B) blackhaired, playful, African

(C) playful, blackhaired, African                    (D) African, blackhaired, playful

答案是：B。可是我觉得是C。性质＋颜色＋国籍。我认为答案是错的。

3。Our native language is a part of our natural heritage, a personal possession _______.

(A) no more than our own as the geography of our birthplace

(B) no less than our own as the geography of our birthplace

(C) not so little our own than the geography of our birthplace

(D) no less our own than the geography of our birthplace

答案是：D。可是我觉得是B。但是这句话什么意思我不明白！

请大侠指点！