Though Robert Browning is not the first writer who has invented dramatic monologue, it is in his hands that the poetic form reaches its maturity and perfection. In dramatic monologue, （ ）.
A.the narrator is the writer himself
B.readers can have their own judgments of the speaker's personality from it
C.readers are the only object that the narrator addresses to
D.the narrator has no particular choice about when to talk
正确答案是B