Read this excerpt from “the world” by christina rossetti:

by day she wooes me, soft, exceeding fair;
but all night as the moon so changeth she;
loathsome and foul with hideous leprosy
and subtle serpents gliding in her hair.
by day she wooes me to the outer air,
ripe fruits, sweet flowers, and full satiety:
but thro' the night, a beast she grins at me,
a very monster void of love and prayer,
by day she stands a lie:

which statement best describes the theme?

a (love escapes us because of the change from day to night.)
b (nighttime is monstrous, but it is better than daytime.)
c (beauty can be alluring, but it is also dangerous.)
d (daytime hides the danger and intrigue of night.)