Which of the following sentences is punctuated correctly?
A. Walter plans, to paint, the house trim the trees, fix the roof and clean the gutters.
B. Walter plans to paint the house; trim the trees; fix the roof; and clean the gutters.
C. Walter plans to paint the house, trim the trees, fix the roof, and clean the gutters.
D. Walter plans to paint, the house trim, the trees fix, the roof and clean, the gutters.