Passage: <br>
The sun beat down mercilessly as Sarah trudged through the desert. The sand stretched out endlessly in all directions, shimmering in the intense heat. She wiped the sweat from her brow and squinted ahead, searching for any sign of civilization. Suddenly, she spotted a faint outline in the distance—a cluster of palm trees swaying in the hot breeze. With renewed hope, she quickened her pace, eager to reach the oasis before nightfall. <br><br>
What is the main idea of the passage?
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A
The harsh conditions of the desert.
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B
Sarah's journey through the forest.
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C
The beauty of palm trees.
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D
The importance of sunscreen.