______do you learn English so well?

_______chatting with my pen pal in America online.

A．How; With

B．What; With

C．How; By

D．What; By

儒学思想在后世不断发展，下列主张哪个具有民主启蒙色彩（）

A.民为贵，社稷次之，君为轻

B.制天命而用之

C.天人感应，君权神授

D.为天下之大害者，君而已矣