A Subcontractor Has Signed a Document with the Following Language

A subcontractor has signed a document with the following language:
Notice:This document waives rights unconditionally and states that you have been paid for giving up those rights.
The subcontractor signed the document in advance of receiving payment for his work. What are the subcontractor's rights on the payment?

A) The subcontractor has given up his lien but might still be able to collect on a unsecured contract basis
B) The subcontractor has unconditionally surrendered his rights to payment
C) The document is unconstitutional because of this clause and the lack of due process
D) The document waives only the lien