It has been recently reported that carbon suboxide,$C_3O_2$,is present in the atmosphere of Venus. What is the correct Lewis structure of $C_3O_2$?

• A
  $:O=C=C=C=O:$
• B
  $:O=C=C=C=O:$
• C
  $:O=C=C=C=O:$
• D
  $:O-C-C-C-O:$