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Welcome to the forum.
You posted in the "introductory" area, and you would have better opportunities for responses if you posted this question in the C5 Tech area, link below.
If you didn’t use any type of gas stabilizer before storage it’s a pretty good bet your injectors are clogged and maybe mechanically “stuck closed”...I’d first listen if you can hear the fuel pump prime for 2 seconds after turning the key on and then tap on each injector while starting...you may have to get those injectors cleaned if varnished up...to make sure it’s a “fuel delivery” issue you can spray some brake kleen or starter fluid into the brake booster or PCV and then try to start...if you are getting spark the car will start or attempt to start !!...also be a good idea to throw some BG 44K or Techron in your tank !!