Extraneous means "irrelevant or unrelated to the subject being dealt with."
Hybrid means "a thing made by combining different elements."
Concomitant means "naturally accompanying or associated with."
Extraneous is the word that fits. Concomitant is actually the opposite of this.
A, c
because it makes sense
Are less important to the overall plot
1. ran
2. wrote
3. talked
4. smiled
5. said
