they helped us time and again,__单选they helped us time and again,___very kind of them.who were which was that was whichyet no firm evidence had come to light___the men arrested were actually responsible.which as what that
问题描述：
they helped us time and again,__单选
they helped us time and again,___very kind of them.
who were which was that was which
yet no firm evidence had come to light___the men arrested were actually responsible.
which as what that
答
B
D