形容词比较级有几种特殊用法 对下列句子中的形容词比较级的意义解释哪一项有误?

A．The bigger the house is, the more money it will cost．房子越大越贵。

B．I am more than happy to see you． 见到你特别高兴。

C．In less than two hours the dinner was ready． 不到两小时，饭就准备好了。

D．The answers were more or less right． 答案非常正确

请帮忙给出正确答案和分析，谢谢！