Which claim from the passage is an opinion?

The best surfing obviously takes place on the ocean sound Surfers however catch waves on Lake Michigan this is one of the Great Lakes and his hundreds of miles from an ocean however the lake is so large that the waves have time to develop as winds blow across the water from many miles. A. Some Surfers however catch waves on Lake Michigan!
B. The best surfing obviously takes place on the ocean.
C. This is one of the Great Lakes and is hundreds of miles from an ocean.
D. However, the lake is so large that the waves are has time to develop as winds blow across the water for many miles. ​