The Race to Cure Cancer started at noon. The route was one mile long. Every 12 feet was a sign letting
the runners know how much more they had to run,
until they hit the finish line.
How many signs were there along the route?

Which sentence contains an allusion? a. pamela and her twin are as alike as two peas in a pod, and they do everything together. b. pamela has a weakness for chocolates, which she says she's had since early childhood. c. pamela's face was as white as a ghost when she learned the shocking news about her brother. d. pamela's backyard looks like the garden of eden, with dozens of green and lush plants. e. pamela found herself trapped between a rock and a hard place, and she didn't know what to do.