Hands then went up , and a senior aide picked the questioners .

然后大家举手，一位高级助手挑选提问者。

They will each write a proposed question and questioners will be selected by candy crowley of cnn , the debate moderator .

他们每人将会预先写下一个问题，由辩论会主席、美国有线电视新闻网（cnn）的克劳利（candycrowley）负责选择提问者。