It's very interesting___snowmen in winter.A.making B.building C.to make D.to build

It's very interesting___snowmen in winter.A.making B.building C.to make D.to build
It's very interesting___snowmen in winter.A.making B.building C.to make D.to build

It's very interesting___snowmen in winter.A.making B.building C.to make D.to build
C

C.to make
固定结构：It + be + 形容词 + to do sth.