Changes made for the sake of overall effects desired by dramatists.
The correct answer is A.
Antony reminds the plebeian listeners about all the good things that Caesar had done for them, lest they be forgotten. He confirms Brutus' accusations against Caesar that he was too ambitious, but at the same time refutes them, illustrating Caesar's modesty and common sense with a couple of examples. With this, Antony pays respect to his murdered friend, but also prepares the ground for his own political ascent, by cunningly denouncing the conspirators.
It is an exclamatory sentence it should end in (!)
Maybe it's because not everyone can cope with each other after such a long time. Maybe not everyone has great social skills after living together for awhile.
