the report/ state/ there/ enough/ oil and gas/ a century/ only if/ present demand/ control//

A. The report stated that there would be enough oil and gas for a century only if the present demand could be controlled.

B. The report stated that there would be oil and gas enough for a century only if the present demand could be controlled.

C. The report stated that there were enough oil and. gas for a century only if the present demand could controlled.

D. The report stated that there will be enough oil and gas for the century only if the present demand can be controlled.