In reality, they came from the passed Script A all those months back. Remember that 6 months represents about 200-300 scripts ago. The solution is not to turn in a script to a gate keeper until it is a fully realized work. The project must also go through proper channels. That way, a producer will be interested in meeting you, believing that he is developing a relationship with someone who has a bright future.
Relationships are more important than concepts in Hollywood.
It sucks, but you get over it. It's the price to play at the table. Best of luck with your projects. Its a project that I am working on that is required for graduation. I love dimension films and all the movies they have produced and that have put up on the big screen.