A properly optimized landing page should contain which of the following components

A properly optimized landing page should contain which of the following components?
  A)  A relevant image; social media “share” icons; a clear, compelling and concise headline; benefits of the marketing offer in bullets.
  B)  A clear, compelling and concise headline; website navigation; social media “follow me” icons; a relevant image.
  C)  A clear, compelling and concise headline; website navigation; social media “share” icons; a relevant image.
  D)  Benefits of the marketing offer in bullets; social media “follow me” icons; a relevant image; website navigation.