The wider China opens its door to the outside world, the more people find important and necessary to study foreign languages.
A. is
B. them
C. it
D. more
网友回答
A. is
B. them
(答案→)C. it
D. more
解析：考查形式宾语。It作为形式宾语，真正的宾语是to study foreign languages.句意：中国越向外部世界开放，人们发现学习外语越来越重要越必要。