In 2015,the United States and Iran Signed an Agreement

In 2015,the United States and Iran signed an agreement

A) in which the Iranians pledged not to build nuclear weapons in exchange for the United States lifting its economic sanctions against Iran.
B) that eliminated tariffs on agricultural imports between the two countries.
C) in which Iranians agreed to share intelligence information about the Islamic State of Iraq and Syria (ISIS) in exchange for the United States lifting its economic sanctions against Iran.
D) that secured the release of a number of American hostages taken during the 1979 Iranian revolution.