The correct sentence is C, because 'driven' is the past participle, part of the present perfect tense. Present participle would be 'driving', it has -ing form, whereas B is not correct because 'helped' is just past, not a past participle.
The answer most likely is answer choice B it makes the most sense :D
After Caesar's murder, the plebeian demand an explanation. Brutus rises to the pulpit and silence is done to hear him. In short prayer, he explains that he killed Caesar to avoid people become slaves. He claims that he killed Caesar, not because he didn't love him, but he loved Rome more. However, after Mark Antony's speech about Caesar's will, the silent crowd puts itself in growing fury.
