One who loved not wisely, but too well

 Look at the Othello poster below:

Based in the poster above, one of the themes of Othello is:

a. jealousy

b. hatred

c. fidelity

d. love

Scroll down for the answer.

_________________________

All of the answers are basic themes in Othello, but only one of them can be inferred from the poster.  The question clearly states "Based on the poster...."  With that in mind, we can see the green eye of the man in the poster and since green eyes are symbolic of jealousy, the correct answer is a.