11. The main purpose of the passage is to:

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

The full text is to introduce the evolution history of "Is California an island on the map". In 1541, California appeared on the map as part of Mexico; in 1622, it appeared on the map for the first time in the form of an island (insular appearance); until 1747, although Ferdinand Vii made it clear that California was not an island, But it was still an island on the map until 1865, choose B;