Hich of these statements, from Sir Gawain and the Green Knight, does the Green Knight say to explain why he visits the court of King Arthur?
 a.) I shall let him have as a present this lovely gisarme...
 b.) And so all I ask of this court is a Christmas game...
 c.) ...I come to you in peace, not eager for battle.
 d.) My errand is hardly to sit at ease in your castle!