(A) fund， with the intention to sustain the state's economy after the exhaustion of its oil reserves
(B) fund， the intention of which is to sustain the state's economy after they have exhausted their oil reserves
(C) fund intended to sustain the state's economy after oil reserves are exhausted
(D) fund intended to sustain the state's economy after exhausting its oil reserves
(E) fund that they intend to sustain the state's economy after oil reserves are exhausted
6. In June of 1989， Princeton Township approved a developer's plans to build 300 houses on a large portion of the 210-acre site of the Battle of Princeton， one of only eight Revolutionary War battlefields that had remained undeveloped.
(A) one of only eight Revolutionary War battlefields that had remained undeveloped
(B) one of eight of the only Revolutionary War battlefields that have remained undeveloped
(C) one of the only eight undeveloped Revolutionary War battlefields that remains
(D) only one of eight Revolutionary War battlefields to remain undeveloped
(E) only one of the eight remaining undeveloped Revolutionary War battlefields