Question

_____ nice feather it is!

1. A.
   a
2. B.
   What an
3. C.
   How
4. D.
   what a

Answer 1

D
因为feather 为可数名词，所以本题中的感叹句结构为：what+a+adj+n(C)单数名词+主+谓语，故选D