麻烦分析下句子结构~在线等
问题描述：
麻烦分析下句子结构~在线等
The first time that the question “
What is at the bottom of the oceans?” had to be
answered with any commercial consequence was when the laying of a telegraphcable from Europe to America was proposed.
答
整体："The first time that the question “What is at the bottom of the oceans?” had to beanswered with any commercial consequence“这是整个大句子的主语was是大句子的系动词" when the laying of a telegr...