单项选择题

Questions 14 to 17 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 will the speaker probably do next

A.Ask questions about the assigned reading.
B.Give an example of active learning.
C.Explain recent research on recalling childhood memories.
D.Make an assignment for the next class session.