It was suggested that the agreement ______ before the end of the year.

A．The study and the use of "Ideal Weights' tables began in the same period.
B．More deaths have occurred in recent two-year periods than before.
C．The study was designed to make worthless the "Ideal Weights' table.
D．The same number of men and women in the study have died.

A．as the rain poured down
B．than the rain poured down
C．when the rain had poured down
D．then the rain poured down