Which detail best supports allusion, in the poem, mr. flood's party?

a.) "where friends of other days had honored him"
b.) "he stood there in the middle of the road/like roland's ghost winding a silent horn./
c.) "a phantom salutation of the dead/rang thinly till old eben's eyes were dim."
d.) "drink to the bird," he raised up to the light/the jug that he had gone so far to fill,"