Which detail from the story BEST supports the inference that Doctor Dolittle's kind nature is the reason he has so many pets

The best detail about him is that he is kind natures is as he kept on getting more and more animals in the house.

As time passes the good doctor's collection of animals only continues to increase. A visiting crocodile further exacerbates the doctor's money troubles. Intending to be married, Sarah leaves Puddley-on-the-Marsh.

Communication between both parties