Figurative Language & Tone Lesson

Which answer best describes the author's TONE in the following sentence?

"The experiment revealed something strange, a pattern hidden in plain sight, suggesting there’s much more to uncover than we first thought."

Which answer best describes the MOOD of the following sentence?

"The carnival lights sparkled brightly against the night sky as laughter and cheerful music filled the air, and children ran with cotton candy in their hands, their faces lit up with excitement"

Which excerpt is more interesting to you? 

A. "The rain tapped against the window like tiny fingers, whispering secrets as it fell. The old oak tree outside stretched its arms toward the sky, dark and twisted against the dim light. A faint smell of damp earth filled the room, as shadows danced along the walls, adding a chill to the air."

B. "The rain fell on the window. The oak tree was outside. The room smelled damp, and there were shadows on the walls."