I think it's a word within a word...
1- will have
2- has passed
3- have made
4- will go
5- did
6- fell
7-had visited
8-has been surfing
The answer for this question is A. Predicate adjective.
When your text states that communication is unavoidable, it means that people will probably associate meaning to your actions, even when you don not intend to speak of something.