题目选项分析

The consultant team advised the insurance company that, in order to remain profitable through the upcoming decade, it had to diversify its long-term equity holdings, streamline its now labyrinthine claims processing systems, and balance the added liability of senior citizens living longer with changes to its premium structure.

The consultant team advised the insurance company that, in order to remain profitable through the upcoming decade, it had to diversify its long-term equity holdings, streamline its now labyrinthine claims processing systems, and to balance the added liability of senior citizens living longer by changing its premium structure.