42. Which of the following is the most appropriate topic sentence for the paragraph below?
(A) When washing a dog, you should proceed from his head to his tail.
(B) A few steps should be taken when choosing right soap for your dog.
(C) Washing your dog is not an easy task, and it should be done by professionals.
(D) To wash your dog properly, you should follow several steps with care._______________ First, you should make sure that your dog knows nothing, in advance, ofyour plan to wash him. After preparing his tub of lukewarm water, you should plunge him into ittenderly but f irmly. Then, keeping his head above water, you should soap his whole body. Work thesoap throughout his hair and skin until it lathers his body. After your dog is completely covered withsoap, be sure to rinse him thoroughly.