院子里种了一___树。
A tree in the yard. Which measure word?
全球翻车率（内测预估）
A张
zhāng · measure word for flat sheets
✓棵
kē · measure word for plants/trees
C条
tiáo · measure word for long thin things
D只
zhī · measure word for animals/one of a pair
树用“棵”，草也用“棵”。植物界的通用量词，记住不吃亏。
棵 (kē) counts plants: trees, cabbages, grass.