When we say that CMC is a "filtered" form of communication, what is being filtered out?

A news story is confusing and disorienting rather than engaging, owing to its multiple substories that are going haywire. What should the writer have used more efficiently to avoid this situation?

a) Transitions b) Headlines c) Leads d) Summaries

Soccer is Sid's biggest passion. So, when he came to know that a new local soccer club named "Red Devils United" was looking to recruit budding players, Sid was among the first people to join the club

Which factor contributed to Sid's prompt membership, and why? a) Group activities; Sid was attracted by the club's activity b) Group goals; Sid was attracted by the club's well-defined goal. c) Group membership; Sid was attracted by the prestige associated with joining the club. d) Group similarity; Sid was attracted by the like-minded members of the club.