单选题 How close adults are to their youngsters ______ a strong influence on the development of the children's character.
  • [A] have
  • [B] has
  • [C] having
  • [D] to have


【正确答案】 B
【答案解析】[名师精解] How close parents are to their children是由疑问词how引导的主语从句，作主语，谓语应用单数形式。
[解题秘籍] 一般来说，how+形容词+主语+谓语+其他成分。