To determine the volume of the dog, one would typically need a specific measurement of water before and after submerging the dog, or additional information about the dog itself. Since no such image or measurement was provided here, it is not possible to ascertain the dog’s volume.
However, based on your provided answers, if we were to assume that the most accurate and contextual answer for a dog’s volume would generally be in liters, the most plausible options are "63 L" or "53 L."
Please note that I can't visualize any images, and actual measurement methods would be required to give you a definitive answer.