According to the 27th amendment, would members of congress be able to vote in a pay raise for themselves? a. yes, because congressional pay was set by the original constitution, this amendment allows members to make adjustments as necessary. b.yes, once a pay raise is voted in, it goes into effect. c.no, members have to wait until the next session of congress, after the next election, for the raise in pay. d.no, the pay of congress can never be increased.