My mother always does some reading while my father is watching football matches．________, my mother shows no interest in football．

1. A.
   In a word
2. B.
   In other words
3. C.
   In words
4. D.
   Word for word

My mother always does some reading while my father is watching football matches.
          , my mother shows no interest in football.

A．From now on        B．In a word        C．Up to now              D．In other words