According to Map 6

According to Map 6.1, "Roman Italy and the City of Rome, ca. 218 B.C.E.," what evidence is there to suggest that the Greeks had begun to colonize the peninsula prior to the emergence of Roman Italy?

A) Greek cities existed on the southeastern shore of the Adriatic Sea.
B) Some Greek cities were connected by major roads to the city of Rome.
C) Several Greek cities existed on the southern part of the peninsula.
D) There are no Greek cities in the northern part of the peninsula.