The plan________for a year，but no decision has________.
A：has been discussing；reached
B：is discussing；been reached
C：has been discussed；been reached
D：is being discussed；been reaching
若※是新规定的某种运算符号，设a※b=b2-a，则-2※x=6中x的值是（ ）
— ______ do you go to school?
— By bike.
