If the topic of this drama is "courage," its theme can be stated BEST by this sentence:

jenkins wanted the narrator to write a ghost story for his magazine. he wanted the narrator to give the readers a story based on the supernatural. he wanted him to give the readers real 'horror' stories and not the type of live ghosts which he had presented in his earlier stories.

the answer is b. the tomb is underground and dark, and its opening is covered by a heavy grate.

b would have to be the answer