How will taking ownership in communication most likely improve a relationship?

The answer is B

Good communication is an essential part in every relationship. Having a good communication to any person makes your dealing with them more effectively and can lead to a stronger relationship.

Taking ownership means taking an initiative. An initiative to make sure that you are understood by the other person will lead to a responsible communication and will most likely improve your relationship. The willingness of a person to make sure that what the other person interpreted or heard is correctly understood, as well as the willingness of each individual to listen is a big factor to having a good relationship to someone.