In Late Medieval Italy There Was a Renewed Interest in Studying

In late medieval Italy there was a renewed interest in studying texts written in Greek because:

A) schools there were organized by Greek masters.
B) Greek had become the lingua franca there due to trade connections to the East.
C) Italians spoke and read Greek as their vernacular language.
D) Petrarch wrote an excellent text on learning the Greek language that was wildly popular.
E) Greek-speaking intellectuals fled to Italy as the Mongols and Ottoman Turks continually took territory from the Byzantine empire.