硫磺主治的病证是（）。

A.肾阳虚之阳痿、虚喘冷哮

B.脾阳虚之泄泻

C.虚冷便秘

D.疥癣、湿疹

E.咽喉肿痛，口舌生疮

Lily doesn't want to talk about it __________ the phone. [ ]

A. of    

B. by    

C. on    

D. through