While Sitting in a Coffee Shop,Hildebrandt Is Listening to a Scandalous

Multiple Choice

While sitting in a coffee shop,Hildebrandt is listening to a scandalous conversation at a neighbouring table.Without turning her head,which of the following sound cues will provide Hildebrandt with the MOST useful information in figuring out at which neighbouring table the conversation is taking place?

A) general loudness
B) loudness in each ear
C) timing
D) both a) & b)