You're out for a walk with your dog and notice someone heading your way with an intent to say hi. You think your dog may bark. What would you do?
 

A) Outstretch your arm, palm out to signal "stop"

B) Call out "stop please, we need space"

C) Wait for the person to ask first then say "no thank you"

D) Let your dog say hi anyway and hope he/she won't bark