It shocked us all        that little boy hadn’t been separated from that patient, he would have been infected with H1N1.

1. A.
   if that
2. B.
   that if
3. C.
   if
4. D.
   that

It shocked us all        that little boy hadn’t been separated from that patient, he would have been infected with H1N1.    A．if that    B．that if  C．if        D．That

It shocked us all        that little boy hadn’t been separated from that patient, he would have been infected with H1N1.    A．if that    B．that if      C．if        D．that

 It shocked us all________that little boy hadn’t been separated from that patient, he would have been infected with H1N1.

       A．if that       B．that if       C．if      D．that

It shocked us all        that little boy hadn’t been separated from that patient, he would have been infected with H1N1.    A．if that    B．that if  C．if        D．that