The design __________all the ages and social groups is not easy to make.

A. appealed to             B. being appealed to

C. to be appealed to        D. appealing to

The design __________all the ages and social groups is not easy to make.

1. A.
   appealed to
2. B.
   being appealed to
3. C.
   to be appealed to
4. D.
   appealing to

The design ________ all the ages and social groups is not easy to make.

The design ________ all the ages and social groups is not easy to make.