帮忙分析一下Theresultsareevenmoreserio
The results are even more serus, for where there are trees their roots_____ the soil up allowing the rain to sink in and also bind the soil, thus preventing it being washed away easily. A break B keep C put D turn 帮我看看该选哪个,为什么?
江山的回答是对的.break up可以表示：击碎．所以在此的意思是让土壤松动．