B..
6 months, is pretty much universally the time pediatricians recommend. Their digestive system, is not fully prepared to handle the food before them.
She might "want" to try, but that does not mean she is ready. Her little tummy, probably can't handle solids. I would wait a few months, and try again There is no need to make her eat at this age. If she is fussing, she is not enjoying the exoerience. She is not ready. Try again, when she is older.