经土壤传播的意义大小，取决于（）

A.病原体在土壤中的存活时间

B.易感者与土壤的接触机会

C.个人卫生习惯

D.A、B、C均不是

E.A、B、C均是

[A] eyes
[B] hat
[C]clothes
[D]nose
[E] ears
[F] mouth
[G] shoes

You use it for eating and speaking.