[单项选择]

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A full moon was shining down on the jungle. Accompanied only by an Indian guide, the American explorer and archaeologist Edward Herbert Thompson -- thirteen hundred years after the Mayas had left their cities and made a break for the country farther north-was riding through the New Empire that they had built for themselves, which had collapsed after the arrival of the Spaniards. He was searching for Chichen-Itza, the largest, most beautiful, mightiest, and most splendid of all Mayan cities. Horses and men had been suffering intense hardships on the trail. Thompson’s head sagged on his breast from fatigue, and each time his horse stumbled he all but fell out of the saddle. Suddenly his guide shouted to him. Thompson woke up with a start. He looked ahead and saw a fairyland.
Above the dark treetops rose a mound, high and steep, and on top of the mound was a temple, bathed in cool moonlight. In the hush o
A. The realization that this was only a time-consuming fantasy.
B. The glimpse of an important clue to future discovery.
C. A resolution derived from his fantasy that he must learn more about this great past city.
D. The locating of the mysterious Sacred Well.