Which sentence is punctuated correctly?

.

A. The flowers, that are planted next to the front porch, get enough sun.

B. Our neighbors, for example have two dogs, and a cat.

C. The squirrel shot out the back door across the yard, and up a maple tree.

D. Basketball, which is my favorite sport, takes a lot of energy.

D. Basketball, which is my favorite sport, takes a lot of energy.

Commas add a pause, which is necessary in this sentence.

Corrections:

a The flowers that are planted next to the front porch get enough sun.

(take away all commas)

b Our neighbors, for example, have two dogs and a cat.

(add a comma after the word example and take away comma after dogs)

c The squirrel shot out of the back door, across the yard, and up a maple tree.

(add comma after the word door)

Final answer: D.