请教：The more...the more的用法，做OG007（大全252）疑问

jerryjay

252.Dr. Hakuta’s research among Hispanic children in the United States indicates that the more the children use both Spanish and English, their intellectual advantage is greater in skills underlying reading ability and nonverbal logic.
(A) their intellectual advantage is greater in skills underlying reading ability and nonverbal logic
(B) their intellectual advantage is the greater in skills underlaying reading ability and nonverbal logic
(C) the greater their intellectual advantage in skills underlying reading ability and nonverbal logic
(D) in skills that underlay reading ability and nonverbal logic, their intellectual advantage is the greater（C）
(E) in skills underlying reading ability and nonverbal logic, the greater intellectual advantage is theirs

请问这里选项C中，为什么没有助动词is啊？

the more.... the more.....前后两句不是都应该有动词的吗？谢谢了。

seubomb

转自OG2016 第一题：
正确句子为：Manufacturers rate batteries in watt-hours; the higher the watt-hour rating, the longer the battery can be expected to last.
分号后的the more, the more结构做解释说明，第一句be动词可以省略

Nancy0c

同问。。

jerryjay

自己顶。。。