Use the passage to answer the question.

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)
O cheerful
O relaxed
o humorous
• mysterious

mysterious

The word that best describes the tone of the passage is mysterious.

To determine the tone of a passage, it is important to consider the details and language used in the text. In this passage, the author describes the sound of the doorbell "reverberating through the hall," which already sets a somewhat eerie and mysterious atmosphere. The mention of the protagonist peering outside and catching a glimpse of a truck disappearing into the darkness further enhances the mysterious tone. The word choice of "strange object" and the protagonist taking a deep breath before stepping outside also contribute to the mysterious tone. Therefore, the word that best describes the tone of the passage is "mysterious."