What Did the Oxford Scholar John Wycliffe Argue

What did the Oxford scholar John Wycliffe argue?

A) That the true church was a community of believers, not an ecclesiastical hierarchy
B) That the Greek Orthodox church and not the Roman Catholic church was the rightful heir to the keys of St. Peter
C) That pious monks needed to oust corrupt and materialistic churchmen from their high positions in the church hierarchy
D) That the papacy had lost its moral authority for not having settled the Hundred Years' War