'O WHAT can ail thee, knight-at-arms, Alone and palely loitering? The sedge is wither'd from the lake, And no birds sing. 'O what can ail thee, knight-at-arms,5 So haggard and so woe-begone? The squirrel's granary is full, And the harvest 's done. 'I see a lily on thy brow With anguish moist and fever dew;10 And on thy cheeks a fading rose Fast withereth too.'Based on the selection of details in the poem, what time of year is it? A) summer B) late fall C) late summer D) early spring