Multi-select problem: How does the next paragraph end?

A person stacks cakes on top of each other and cuts away parts to shape the cake. the person

Available options:
a). cuts all of the ingredients in one go.;
b). puts sprinkles on top of the cake and then pushes it inside.;
c). spreads a jam on the cake.;
d). starts with the original diagonal cut cake, the conical leprechaun piece.;
c).