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 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?
A. Humorous
B. Mysterious
C. Cheerful
D. Relaxed