【单选题】

{{I}}Questions 4 to 7 are based on the following conversation.At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. {{/I}} Why does Ms.Cook not want to go to the planetarium

A、She has recently gone there.
B．It’s not a very good one.
C．There’s one in her home town.
D．It will be closed when she’s free.