Neil Armstrong was the first man on the moon in July 1969.A. landingB. landedC. to landD.

问题补充：

Neil Armstrong was the first man on the moon in July 1969.

A. landing

B. landed

C. to land

D. lands

答案：

A. landing

B. landed

(答案→)C. to land

D. lands

解析：考察不定式用法。当名词是序数词的时候，使用不定式做定语对其进行修饰限制。故C正确。