Passage;
Milk like this was normally his favourite drink, and his sister had certainly left it there for him because of that

Gregor's sister no longer thought about how she could please him but would hurriedly push some food or other into his room with her foot before she rushed out to work in the morning and at midday, and in the evening she would sweep it away again with the broom, indifferent as to whether it had been eaten or --more often than not --had been left totally untouched.

Which of the following statements best describes how Grete's behaviour toward Gregor has changed between these two passages?
a. irritated; grete is growing more disgusted by her brother's appearance.
b. angrier; grete feels like her own brother has abandoned her.
c. sadder; grete often cries when she sits and talks with her brother.
d. kinder and gentler; grete takes good care of her brother.