How are we supposed to assume that the driver in answer choice (B) is overhearing only one part of the convo? I feel like the stimulus made it clear that you need to be overhearing only one side of the convo and B doesn't really present such a scenario.

#help (Added by Admin)

the term "range" confused me on this one. ngl. I didn't even think the context provided any hints to suggest that "range" had a geographic connotation