You are currently blocked from asking questions.
To remove the block you need to improve your existing questions and write good quality answers.
Please read What can I do when getting “We are no longer accepting questions/answers from this account”?:
Before you do anything else, fix your existing posts! As noted above, down-votes cast by the rest of the community factor into the ban - so the single best thing you can do to get it lifted is to address any objections raised by others. Were your past questions unclear? Did they fail to show any effort on your part? Poorly worded, titled, formatted, and overly long or short? Then fix them!
If you are banned from asking questions, then writing a few quality answers that get upvoted might enable you to ask questions again.
I was banned after my last question on Dec. 28th
This is incorrect. You have asked 5 questions since Dec 28th. They were all deleted by you.
You can normally see your recently deleted (in the last 60 days) questions by clicking the "Deleted recent questions" link at the bottom of the "questions" tab in your user profile.
Unfortunately all of your deleted questions are older than 60 days so you cannot see them.
Summary:
You have posted 15 question in total
There are 7 questions, with a total of 3 upvotes and 1 downvote
There are 8 deleted questions, with a total of -5 downvotes
This makes your total score -3 as deleted questions count towards a question block.