3.
Read the sentence and answer the question.

They ate lunch in the restaurant and then they took their dog for a walk in the park.

Which correctly shows where a comma is needed in the sentence?


A. They ate lunch in the restaurant and then they took their dog, for a walk in the park.


B. They ate lunch in the restaurant and, then they took their dog for a walk in the park.


C. They ate lunch in the restaurant, and then they took their dog for a walk in the park.


D. They ate lunch in the restaurant and then they took their dog for a walk, in the park.