I think it may be b. because you cant place it anywhere.and ate the end of the sentence does not make any sense,neither does d. so it must be b.
"A dark figure obscured the lighted doorway of the manager's hut, vanished, then, a second or so after, the doorway itself vanished, too," reads the captivating passage from Heart of Darkness. The figure is never fully explained in the book!
However, in my honest opinion, the dark figure could be a demon of some sort.
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
Answer:
non-biodegradable!!!!!!!!!!
