As the sound of the doorbell reverberated through the hall, she cracked open the door and peered outside. She caught a glimpse of a truck disappearing into the darkness. On the stoop, a strange object waited. She took a deep breath, opened the door, and stepped out into the heavy summer air. Which word best describes the tone of the passage? (1 point)

A. cheerful
B. humorous
C. relaxed
D. mysterious

D. mysterious

D. mysterious

To determine the tone of a passage, we need to analyze the overall mood and feeling conveyed by the author's language and descriptions. In this passage, the author's use of words like "sound of the doorbell," "reverberated," "disappearing into the darkness," "strange object," and "stepped out into the heavy summer air" creates a sense of mystery and anticipation. The description of the truck disappearing into the darkness and the strange object on the stoop adds to the mysterious atmosphere. Therefore, the best word to describe the tone of this passage would be D. mysterious.