There was no light at the end of the tunnel. At least, there was none that they could see.

Outside it was raining, so Emily and Kate were exploring their house. In the basement, they had discovered a tunnel behind a bookcase.
Kate found a flashlight and shined it into the darkness.
"What do you think is in there?" Kate asked.
Emily wanted to sound brave. "I guess we'll have to find out," she said.
Based on the passage, which is more likely to happen next?
a: Emily and Kate explore the tunnel
b: KAte turns off the flashlight

a: Emily and Kate explore the tunnel