It was unbelievable that the fans waited out side the gym for three hours just ________ a look at the sports stars.

A.had

B.having

C.to have

D.have

答案及解析： C

解析：由上下文语意来看，空格处应表示目的，用动词不定式来充当目的状语．

命题立意：非谓语动词是历年高考热点，要注意掌握各种非谓语动词的基本句法功能．