which statement from "letter to his father" is similar to gregor's inability to communicate with his father as a bug in the metamorphosis?

a. "finally i kept silent, at first perhaps out of defiance, and then
because i could neither think nor speak in your presence.

b. "you can treat a child only in the way you yourself are constituted,
with vigor, noise, and hot temper..

c. "what was brought to the table had to be eaten, the quality of the
food was not to be discussed..

d. "you have a particularly beautiful, very rare way of quietly,
contentedly, approvingly smiling.