According to Mr. Gretz, the present sum of money will enable the scientists to provide _________.
A．less than 3 percent of the EEC's needs before the year 2020. B．3 percent of the EEC's needs before the year 2020 C．a little more than 3 percent of the EEC's needs after the year 2020 D．only 3 percent of the EEC's needs even after the year 2020.