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 of food supplies, which were dwindling possibly as a result of increasing sea surface temperatures during the same period.

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.