Schedule a consultation with a competent immigration lawyer in your area to analyze your situation and discuss your options.
Behar Intl. Counsel 619.234.5962 Kindly be advised that the answer above is only general in nature cannot be construed as legal advice, given that not enough facts are known. It is your responsibility to retain a lawyer to analyze the facts specific to your particular situation in order to give you specific advice. Specific answers will require cognizance of all pertinent facts about your case. Any answers offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship.
As a visitor B, it is not likely you will receive more than one extension and travel to the US for a six month period every six months may also be challenged. I agree with my colleague, you should set up a consultation with an immigration attorney to explore your possibilities.