The depth and passion of its earnest glance，

The depth and passion of its earnest glance，
But to myself they turned （since none puts by
The curtain I have drawn for you， but I） ...
This part is quoted from Robert Browning"sMy Last Duchess. "Here"you" refers to（）.
A、Fra Pandolf
B、readers
C、the Duke
D、the emissary
正确答案：D