苷类化合物酸水解的易难顺序是

A.碳苷>氧苷>氮苷>硫苷

B.氮苷>氧苷>硫苷>碳苷

C.氮苷>硫苷>碳苷>氧苷

D.氧苷>氮苷>硫苷>碳苷

E.硫苷>碳苷>氮苷>氧苷