The English Peasants' Revolt,like Other Popular Uprisings of the Fourteenth

The English Peasants' Revolt,like other popular uprisings of the fourteenth century,had its fundamental origins in:

A) the repression of the peasants by the nobility in the 1370s.
B) the king's decision to convert all freedmen to the status of serfs in 1361.
C) a series of taxes levied to support the English war with Norway.
D) the economic,social,and political consequences of the Black Death.
E) the English peasant's desire to be a part of the English parliamentary process.