_______ useful robot! It can help with the housework like a human servant.

  • A How
  • B What an
  • C How a
  • D What a
参考答案: D
解题思路: 考察“What+a/an+(形容词)+单数可数名词+主语+谓语!”的感叹句句型,感叹句在表示激动强烈的感情时,可以省略后面的主语和谓语。故选D。