There are three characteristics of the communication revolution that have profound implications for health communication, education, and promotion, in transforming how we access and act on health information. They are: 1) Proliferation of Platforms；2）（）；a

There are three characteristics of the communication revolution that have profound implications for health communication, education, and promotion, in transforming how we access and act on health information. They are: 1) Proliferation of Platforms；2）（）；and 3) Greater Grassroots Participation.
A、More information sharing
B、Less grassroots involvement
C、More cencorship of information
D、Less Gate-keeping
正确答案：Less Gate-keeping