【单选题】

In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.

Questions 11 to 14 are based on the following passage.At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage.
What does the speaker mainly discussA．How the museum preserves NativeAmerican artifacts.
B．The rituals of the Hohokam people.
C．Methods used by the Hobokam for creating pottery.
D．Artistic designs of NativeAmerican pottery.