单项选择题

Questions 8 to 10 are based on the following conversation~ At the end of the conversation, you will be given 15 seconds to answer the questions.
What can be said about the writer’s short stories

A.They have been finished.
B.Most of them are detective stories.
C.There is a collection of stories finished two years ago.
D.An advanced copy of them will be given to the readers.