Answer:
Option a Coursera
Explanation:
Course management system is a software application (usually delivered as software as a service, SaaS) which is used by education institution to administer, deliver and track the teaching or learning resources. Moodle, Sakai and eCollege are example of course management system.
Coursera is not a course management system but is a learning platform that offer massive open online courses. Coursera is founded by Andrew Ng and Daphne Koller in 2012.
