Which detail supports the belief that Brutus is conflicted?

He is visited by the Ghost of Caesar just before the battle.

He impales himself on his own sword at the end of the play.

He raises an army with Cassius outside the city after Caesar is killed.

He tells the crowd that he loved Caesar, but he loved Rome more.

He tells the crowd that he loved Caesar, but he loved Rome more.

Explanation:

This is the most revealing detail that supports the belief mentioned in the question. That is the case because Brutus was one of Caesar's dearest friends. Brutus loved Caesar, but he was afraid of what Caesar could become. His love for his country made him to something against a person that he cared deeply about. If Brutus believed that another solution was possible, he most likely would not have done it.

The last option is correct!