Which represents alkali metal based on (IE)₁ and (IE)₂ values?

• A

  	(IE)1	(IE)2
  X	100	110

• B

  	(IE)1	(IE)2
  Y	100	120

   

• C

  	(IE)1	(IE)2
  Z	100	500

   

• D

  	(IE)1	(IE)2
  M	200	250