In 1986,the U.S.Supreme Court,in a Split Decision

In 1986,the U.S.Supreme Court,in a split decision:

A) ruled that death-qualified jurors are a biased sample.
B) overturned a lower court ruling that death-qualified jurors are indeed a biased sample.
C) ruled that Georgia's five-member juries were as reliable and accurate as twelve-member juries.
D) overturned a lower court decision that six-member juries could decide cases involving the death penalty.