Which event is described in this excerpt from Book 13 of Homer's Odyssey?
 She spake, then touch'd him with her powerful wand:
 The skin shrunk up, and wither'd at her hand;
 A swift old age o'er all his members spread;
 A sudden frost was sprinkled on his head;
 Nor longer in the heavy eye-ball shined
 The glance divine, forth-beaming from the mind.
 His robe, which spots indelible besmear,
 In rags dishonest flutters with the air:
 A stag's torn hide is lapp'd around his reins;
 A rugged staff his trembling hand sustains;
 And at his side a wretched scrip was hung,
 Wide-patch'd, and knotted to a twisted thong.
 So looked the chief, so moved: to mortal eyes
 Object uncouth! a man of miseries!
 A) Minerva hides Ulysses in a gray mist.
 B) Minerva gives Ulysses a divine appearance.
 C) Minerva disguises Ulysses as an old beggar.
 D) Minerva disguises Ulysses as a shepherd.