The number of years that he ruled as an Emperor is B. 41 years.
From the information, it was stated that Octavian became the emperor of rome in 27 b.c. and that he ruled until his death in a.d. 14
Therefore, the number of years that he rules will be:
= 27 + 14
= 41
Therefore, the number of years that he ruled as an Emperor is 41 years.
In conclusion, the correct option is B.
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