Which sentence does not contain any errors in comma usage? A. At a park, or, in a mall, my parents are usually nearby. B. At a park or in a mall my parents are usually nearby. C. At a park, or in a mall, my parents are usually nearby. D. At a park or in a mall, my parents are usually nearby.



Answer :

The sentence that does not contain any errors using a comma usage is  D. At a park or in a mall, my parents are usually nearby.
It's D the correct version if you want to underline the place where your parents are nearby.