Much to the couple’s comfort, their income is now double ________ it was five years ago.

   A. that         B. than        C. which       D. what

Much to the couple’s comfort, their income is now double ______ it was five years ago.

A. that         B. than             C. which                D. what

Much to the couple’s comfort, their income is now double ________ it was five years ago.

1. A.
   that
2. B.
   than
3. C.
   which
4. D.
   what

Much to the couple’s comfort, their income is now double ______ it was five years ago．

     A．that                B．than               C．which              D．what