Write the next sentence in the following story.

Then the dog comes back and begins drinking from a coffee mug that is placed on the coffee table. The stands on its hind legs to reach the mug and drink the liquid in it. the dog

Options are:
(a). proceeds to slobber on the dog's leg and the person turns it over.
(b). jumps down and goes stands back up on its hind legs to drink some more from the mug.
(c). moves back and forth swimming through the mug.
(d). studies the mug and then takes it off the coffee table.. The answer should be
(b).