In front of the Great Pyramid Mr Lee stood its great height and asked many questions.A

问题补充：

In front of the Great Pyramid, Mr Lee stood its great height, and asked many questions.

A. to gaze up at

B. to gaze down at

C. gazing up at

D. gazing down at

答案：

A. to gaze up at

B. to gaze down at

(答案→)C. gazing up at

D. gazing down at

解析：

试题分析:考查非谓语动词。从语境可知人站在金字塔下观望，要仰视，所以排除B、D选项，而此处表示站的同时在注视着，所以用现在分词做伴随状语，故答案选C。句意：Lee站在大金字塔前面，一边注视着它宏伟的高度，一边问着许多问题。