Final answer:
The passage from 'The Tragedy of Julius Caesar' presents Titinius's dilemma after Cassius's death, which leads him to feel compelled to take his own life out of guilt and a sense of honor.The correct option is A.
Step-by-step explanation:
The moral dilemma expressed in the excerpt from Act 5, Scene 3, of The Tragedy of Julius Caesar involves Titinius grappling with the guilt surrounding Cassius's death and his duty towards Brutus. The correct answer to the student's question is option (a) Titinius feels guilty that Cassius is dead and decides he must kill himself. This reflects the honor-bound society of the play, where characters often feel that they must take drastic actions to atone for perceived failings or to maintain their sense of honor.