more visitors, the Beijing Garden Expo Park gives roses to visiting couples.
A. Attracted
B. Attracting
C. To attract
DHaving attracted
网友回答
A. Attracted
B. Attracting
(答案→)C. To attract
D. Having attracted
解析：考查不定式做目的状语：句意：为了吸引更多的游客，北京花卉博览会公园给来访的夫妇提供玫瑰。这里表示目的状语用动词不定式，选C。