Casca - A public figure opposed to Caesar's rise to power. Casca relates to Cassius and Brutus how Antony offered the crown to Caesar three times and how each time Caesar declined it. He believes, however, that Caesar is the consummate actor, lulling the populace into believing that he has no personal ambition.
Personification is giving human qualities (such as emotion) and actions to nonhuman objects and/or ideas. I think
C. How long does it take to travel from the Earth to the moon?
This is the weakest research question because it can be easily answered. According to a 2 second Google search, it takes about 3 days for a spacecraft to reach the moon from Earth. This question does not allow for a lot of research for development into an essay. Options A, B and D all have a variety of possibilities that would allow for a multi-paragraph essay with significant topic development.
