By the Fifteenth Century, the Craftspeople of Venice

By the fifteenth century, the craftspeople of Venice

A) had all moved to the mainland, because real estate prices in the city were too high.
B) had learned to make luxury goods that were previously only available as imports.
C) had been put out of business by lower-priced imports from China.
D) had been forced to abandon their guilds.
E) were mostly Jewish.