The Common Courtesy Quiz

You enter a Ladies' Room where there are six stalls. One stall is occupied.

You:

A. Choose a stall NOT next to the occupied stall.
B. Choose a stall DIRECTLY next to the occupied stall.
C. Choose a stall DIRECTLY next to the occupied stall and start talking.
D. Choose a stall DIRECTLY next to the occupied stall, start talking and exclaim, "I'd know those shoes anywhere!"