In the botanic garden we can find a（n）of plants that range from tall trees to small flower

问题补充：

In the botanic garden we can find a（n）of plants that range from tall trees to small flowers.

A. species

B. group

C. amount

D. variety

答案：

(答案→)A. species

B. group

C. amount

D. variety

解析：本题考查名词。species物种；group群体；amount数量；variety多样性。本句意为：在植物园里，我们可以看到各种各样的植物，范围从高树到小花。