Read the first stanza of “mutability” by percy shelley. what is the theme of the stanza?

the flower that smiles to-day
to-morrow dies;
all that we wish to stay
tempts and then flies.
what is this world's delight?
lightning that mocks the night,
brief even as bright.

a. nature’s plenty
b. the permanence of beauty
c. the frailty of beautiful things
d. the beauty of a stormy night