麻烦分析下句子结构~在线等

题目

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.

答案

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...