Which of These Statements About the Roman Empire in the Period

Multiple Choice

Which of these statements about the Roman Empire in the period 180-284 is false?

A) Military force brought relative stability to the presiding emperors.
B) Accession to the throne was often determined by mutinous legions or imperial guardsmen.
C) Emperor Valerian was captured by Sassanid Persian forces.
D) all of these choices
E) none of these choices