A. Listening
You have to listen to communicate, whether its with your ears or eyes. The others are not necessary for communication
Well basically Malcolm X was a modern-day Julius Caesar since he was murdered by the same people who helped him get started as a spokesman and they were both thought to be leaders by others. A difference in them I guess would have to be that Julius Caesar was an ancient European ruler from noble roots while Malcolm X was an African-American ex-convict turned political and social leader.
The comma goes inside the quotation marks.
i think it is c :) hope i helped