This is the first sum of money ________ the children’s family has received．

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

 This is the first sum of money ____ the children's family has received.

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

This is the first sum of money ________ the children's family has received.

A. that

B. which

C. what

D. as

A. that

B. which

C. what

D. as