Which of the following sentences best represents the author's opinion in the article?

A. I recently had an interesting conversation with a friend.

B. After all, many of the choices we make as parents are personal.

C. So when it comes to vaccines, shouldn't we consider both our personal choice and our moral responsibility?

D. Yet parents who choose not to immunize fail to understand that the sense of security they feel in making that choice is directly
attributed to the success of vaccines.

Hint Not A or B