55- In the acquisition stage of treating jumping as an inappropriate greeting behavior, when should an owner click and treat, in this scenario the

55- In the acquisition stage of treating jumping as an inappropriate greeting behavior, when should an owner click and treat, in this scenario the guest is already in the house, and the dog is about to greet them;

a- The instant the dog greets the guest and has four paws on the floor

b- The instant the guest initiates physical contact with the dog

c- once the dog is able to maintain the non-jumping behavior for 2 seconds

d- As the dog is approaching the guest and is not in greeting distance.