E-business is a term used to describe business （ ）on the Interne

E-business is a term used to describe business （ ）on the Internet, or utilizing Internet technologies to improve the productivity or profitability of a business.
A、runs
B、ran
C、run
D、running
【正确答案】：D
【题目解析】：or意为ie”或者“，表示并列，前后连接两个相同的结构，根据后面的or utilizing可知，前面应该填动词的ing形式，故选D。