Assume the scoped attribute priority does NOT yet exist. Which two create and set new request-scoped attribute priority to the value “medium”？（） 

• A、 ${priority = ‘medium’ } 
• B、 ${requestScope[ ‘priority’ ] = ‘medium’ } 
• C、 <c：set var=priority” value=”medium” /> 
• D、 <c：set var=”priority” scope=”request”>medium</C://set> 
• E、 <c：set var=”priority” value=”medium” scope=”request” /> 
• F、 <c：set property=”priority” scope=”request”>medium</c：set> 
• G、 <c：set property=”priority” value=”medium” scope=”request” />