The correct answers are A and C.
In Franz Kafka's "The Metamorphosis", after Gregor transforms into a vermin, he stays in his room, away from his family's sight.
However, his sister Grete enters the room to bring Gregor food. At first, he hid under a sofa. But afterwards, when he noticed his sister's disgust upon looking at him, he started covering himself with a sheet, to prevent her from seeing him altogether.
