What do the tiny Buddha figures proceeding from the mouth in Kosho’s sculpture, Portrait statue of the priest Kuya preaching, signify?

What do the tiny Buddha figures proceeding from the mouth in Kosho’s sculpture, Portrait statue of the priest Kuya preaching, signify?
A)his merging identity with the Buddha
B)the sound of his repeated prayer
C)that the Buddha is always present
D)none of these are correct
E)both a and b are correct