general Notwithstanding section 245(c) of the Immigration and Nationality Act ( 8 U.S.C. 1255(c) ), the status of an alien shall be adjusted by the Secretary of Homeland Security to that of an alien lawfully admitted for permanent residence, if— (A) the alien is the spouse, child, or unmarried son or daughter, of an alien whose status is adjusted to that of an alien lawfully admitted for permanent residence under subsection (a), except that in the case of such an unmarried son or daughter, the son or daughter shall be required to establish that they have been physically present in the United States for at least 1 year