请教大神们一道SAT语法题!
问题描述：
请教大神们一道SAT语法题!
Researchers are experimenting with various techniques for preventing the accumulation in water of high levels of nitrogen,which can kill plants and animals.
which修饰的是什么,以及怎么在其他题目中判断which修饰的是什么,THX!
答
which 修饰了the accumulation of high high levels of nitrogen,你看整句话里面什么可以kill plants and animals,然后凭语感