Read the excerpt.
From “my last duchess” by Robert browning . . . I repeat, the count your masters known munificence is ample warrant that no one just pretense of mine for dowry will be disallowed; Though his fair daughter’s self,as I avowed at starting, is my object

What do these lines suggest is the speaker’s true motives in marrying the count’s daughter ?

A.greed
B.loneliness
C.love
D.vanity