题目选项分析

In the United States, farmers can usually depend on rain or snow all year long, but in most parts of Sri Lanka, the rains are concentrated in the monsoon months, june to September, and the skies are generally clear for the rest of the year.

Unlike the United States, where farmers can usually depend on rain or snow all year long, the rains in most parts of Sri Lanka are concentrated in the monsoon months, june to September, and the skies are generally clear for the rest of the year.