Please answer the following question: Here's a logic test: A student is asleep. The spider comes out at night to walk along the unhung clothes toward the bed. One night the spider takes time and effort to move its many legs over a scratchy, wool sweater. The second night the spider slides over a shiny, satin jacket. The spider can reach the student sooner moving over the satin jacket because of the (A) slippery surface (B) coarse surface. Choose the answer between "wool sweater" and "satin jacket".
A:
wool sweater