Nobody has any idea that how long it will be before the hostages(人质)______.

问题描述:

Nobody has any idea that how long it will be before the hostages(人质)______.
A.are released
B.will be released
C.are to be released
D.has been released 翻译!

how long it will be before the hostages(人质)are released.这个句子的主句用的将来时,从句要用一般现在时翻译!!谢谢、、没有人知道还需要多长时间才能释放人质