The character that enters immediately after is?

Read the extract and answer the question

Work on,
My medicine work! Thus credulous fools are caught,
And many worthy and chaste dames even thus,
All guiltless, meet reproach. What ho! My lord!
My lord, I say!

(Act IV, Scene One, Lines 45 – 49)

A. lago
B. Emilia
C. Othello
D. Cassio

Correct Answer:

Option A – lago