In "The Inchcape Rock," what has the Abbot of Aberbrothok done to protect mariners?
A. He has taken the Inchcape Rock out of the sea.
B. He has built a lighthouse near the Inchcape Rock.
C. He has placed a bell on the Inchcape Rock.
D. He has created a map that shows the exact location of the Inchcape Rock.