A squirrel runs up a cylindrical post , in a perfect spiral path making one circuit for each rise of 4 feet . How many feet does the squirrel travels if the post is 16 feet tall and 2 feet in circumference?
Choose one:
A) 10 feet  B) 8 feet  C) 13 feet  D) 15 feet  E) 18 feet

Rationale: "total circuit = 16 / 4 = 4 total feet squirrel travels = 4 * 2 = 8 feet answer : b"
Answer: B