The correct answer is B. According to myth, Rome began when Romulus killed his brother Remus and took over the throne.
Explanation:
Romulus and Remus were, in the Roman mythological tradition, two twin brothers, one of whom, Romulus, was the eponymous founder of the city of Rome and its first king, after killing his brother. The date of foundation is traditionally indicated on April 21st 753 BC. According to the legend, they were the sons of Rea Silvia, a descendant of Enea and Mars.