can some plz help me??

How does D'Artagnan deceive Milady (Lady de Winter)?
a.
He convinces her to let him marry her servant girl.
c.
He hides in the closet and comes out to steal her jewelry.
b.
He befriends her in an attempt to spy on Cardinal Richelieu.
d.
He pretends to be the Comte de Wardes.