The board（ ）not to adopt the pla

The board（ ）not to adopt the plan.
A、have decided
B、has decided
C、are decided
D、is decided
【正确答案】：B
【题目解析】：the board是单数，故谓语动词要用单数；the board与decide之间是主动关系，所以不用被动，故选B。