C选项

问题如下：

______________ refers to user communities enabling voluntary collaboration with minimal moderation and oversight by the community host.

选项：

A.

Crowdsourcing

B.

Franchising

C.

A loyalty program

解释：

A is correct.

Generically, crowdsourcing means obtaining contributions from multiple parties. Many digital business models incorporate or utilize crowdsourcing as their defining feature, whereby the company creates a service that users build while the company simply creates rules and moderates user contributions. Common examples include social media, product reviews, open-source software, and Wikis​​.