Which two prevent a servlet from handling requests.？（）

• A、 The servlet’s init method returns a non-zero status.
• B、 The servlet’s init method throws a Servlet Exception
• C、 The servlet’s init method sets the Servlet Response’s context length to 0
• D、 The servlet’s init method sets the Servlet Response’s content type to null.
• E、 The servlet’s init method does NOT return within a time period defined by the servlet container.