Question

these are sentences from the text. which one shows what the text is mainly about?
a the direction of the sweep was the same as the direction the water flowed.
b the whole southern lakeshore, 70 miles long, leaked water into the everglades during most of the year.
c now, the federal and state governments hope to restore part of the everglades.
d when we dam a river, we turn it into a reservoir, backing water up behind the dam.

Explanation:

The text seems to be about the Everglades and efforts to restore it. Option C directly mentions the governments' hope to restore part of the Everglades, which likely represents the main - idea. Options A, B, and D are more about specific facts related to water flow, lakeshore leakage, and damming rivers respectively, rather than the overall main - idea.

Answer:

C. Now, the federal and state governments hope to restore part of the Everglades.