单项选择题

In Shakespeare’s Othello, if Iago had not produced Desdemona’s handkerchief, he _____.
A、        would not have been able to convince Othello, however eloquent he might have been
B、might have won Othello over to his side more quickly
C、could still be able to convince Othello since he had been so eloquent
D、would take Othello by the throat