题目选项分析

A study of food resources in the North Pacific between 1989 and 1996 revealed that creatures of the seabed were suffering because food supplies were dwindling, possibly as a result of an increase in sea surface temperatures during the same period.

A study of food resources in the North Pacific between 1989 and 1996 revealed creatures of the seabed that were suffering because food supplies were dwindling, which possibly resulted from increasing sea surface temperatures during the same period.