The question is asking to complete the said passage in your question about the expression of emotions on the characters mind and base on the said passage, the answer among them is an interior monologue. I hope you are satisfied with my answer and feel free to ask for more
the description of human struggles in the form of Ivan Ilyich’s suffering.
I believe its c. adjective phrase Because "of a landscape" describes what kind of picture is to be drawn. And Adjectives describe.
By dressing like the grandmother and trying to impersonate her.
