Which excerpt from this passage best reveals that gregor's sister, grete, is afraid of gregor?
o a. tried as far as possible to pretend there was nothing burdensome about it
o b. whenever she entered the room
o c. it was impossible for her to be in the same room with him with the windows closed. o d. if gregor had only been able to speak to his sister

C. It was impossible for her to be in the same room with him with the windows closed.

Explanation:

In this sentence, we learn that Gregor's sister, Grete, is afraid of Gregor. We learn that when she walks into Gregor's room, she feels the need to open the window and breathe. She does so even when opening the window causes them discomfort. It is clear to Gregor that Grete is too scared to be able to be in the same room as him with the windows closed.

not sure how to answer your question sorry