B. Walking into the room, the smell was overwhelming.
A dangling modifier is a modifier that clarifies about a subject which is not given in the statement. In this case, “Walking into the room” describes what we assume to be the narrator, without saying specifically that the narrator is doing that.
When you respect others feelings that is being called an influential communicator, in which both parties benefit from the conversation feeling hear and cared about.
When you do not, that is called being a controller communicator which damages the relationships leaves submissive thoughts and actions.