When Octavian Had Defeated All His Enemies and Rome Was

When Octavian had defeated all his enemies and Rome was at peace, he realized that

A) only a genuine restoration of the Republic would prevent the renewal of bloodshed.
B) autocratic powers could not be held openly since republican ideals were still strong.
C) leading Rome is a dangerous task, therefore, he retired to the countryside and enjoyed his accumulated wealth.
D) only an autocracy in the Hellenistic mould would work, therefore, he assumed the title of Emperor.
E) the Rome had lost its old virtues and needed to be purged of all that was Greek.