Which line from chaucer’s “general prologue" to the canterbury tales is a reference to the feudal social structure of medieval england?

a. full worthy was he in his liege-lord's war,
b. and therein had he ridden (none more far)
c. as well in christendom as heathenesse,
d. and honoured everywhere for worthiness.
e. at alexandria, he, when it was won;