True. Chaplin may have been the one filmmaker to hold out the longest against sound, but he also happened to be one of the earliest filmmakers to embrace it.
I think it's best if you read it again so I can make sense.
The echoing sound of his voice shows his excitement that his brother is communicating
In my opinion correct answer is nbr. 1 "pets and items..." The artist can easily interpret several aspects of the individual's personality by observing these items that transmit likes and costumes, personal interests and pets that can speak, sometimes "loudly" about the personality of someone. Especially the way a person interacts with pets is one of the most valuable keys to reach the bottom of the soul that in some cases a person tries to hide.