All of the Following Statements Are True of the Roman

All of the following statements are true of the Roman Empire in the era of invasion except:

A) Some tribes were often permitted to settle in Roman lands as federates
B) Many of the invaders were Christian, though with ideas shaped by Arius's teachings
C) Britain was able to hold out against the Germanic invaders
D) The empire lost the rich and productive North African lands to the Vandals, who once lived in Eastern Europe