A肯定是错的,这个句子明显改用被动语态
is not decided,也就是B选项,可以选但是不标准.准确的应该是has not been decided
yet一般来说就是跟完成时.只有一种情况例外,就是表达但是的意思,比如
Yet she did it anyways even though I told her not to 尽管我告诉她不要这么做,她还是做了
A肯定是错的,这个句子明显改用被动语态
is not decided,也就是B选项,可以选但是不标准.准确的应该是has not been decided
yet一般来说就是跟完成时.只有一种情况例外,就是表达但是的意思,比如
Yet she did it anyways even though I told her not to 尽管我告诉她不要这么做,她还是做了