contestada

In the poem "A Poison Tree" by William Blake, what is the meaning of the figurative language in the lines "and I sunned it with smiles and with soft deceitful wiles"?

a) Being in the sunshine makes the speaker's wrath worse.
b) Smiling makes the speaker forget his wrath.
c) The speaker covers up his wrath with lies and smiles.
d) The speaker's soft, deceitful wiles help to lessen his wrath.