Under what two circumstances is the set JspBody method NOT called in a tag class that implements the Simple Tag interface？ （）A、 The tag is invoked without a body.B、 The doTAb method throws an exception.C、 The  element has the value empty.D、 The tag is cal

Under what two circumstances is the set JspBody method NOT called in a tag class that implements the Simple Tag interface？ （）

• A、 The tag is invoked without a body.
• B、 The doTAb method throws an exception.
• C、 The  element has the value empty.
• D、 The tag is called with the attribute skip-body=true