The yield of natural gas from Norway’s Troll gas field is expected to increase
annually until the year 2005 and then to stabilize at six billion cubic feet a day , which
will allow such an extraction rate at least for 50 years’ production
A. 2005 and then to stabilize at six billion cubic feet a day, which
will allow such an extraction rate at least for
B. 2005 and then to stabilize at six billion cubic feet a day, an
extraction rate that will allow at least
C. 2005 and then stabilizing at six billion cubic feet a day, with
such an extraction rate at the least allowing
D. 2005, then stabilizing at six billion cubic feet a day, allowing
such an extraction rate for at least
E. 2005, then stabilizing at six billion cubic