10.3 is pretty darn bad. You need to discuss more specifically with your doctor what you are doing wrong. I say "wrong", because that indeed is the case. it could be 1 thing, 2, things or 5 things you aren't juggling properly. Insulin amount, insulin type, not enough bg testing, eating too many carbs with too little exercise, etc, etc. For your own good, ask your doc more questions.
AND HOW OFTEN ARE YOU TESTING, that your A1c is so lousy, anyway?
and YES, this is a "tough love" post, on my part. No screwing around.

Take your DM seriously or it is going to "take you".