What ability needs to be fostered so that students will make better use of the Internet in health and physical education?

What ability needs to be fostered so that students will make better use of the Internet in health and physical education?
(a) Working in small groups to create web sites
(b) Learning how to Telnet to various sites
(c) Differentiating between accurate and inaccurate information
(d) Identifying best sources of up-to-date information