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.
They talk about the subject on the end of the day
Ate the insects I believe is the simple predicate in the sentence.
This is true. The general theory regarding personality development is that some aspects of our personality remain constant, while others will change due to environment. This entails a mixture of "nurture and nature" with regard to personality.
Answer: A and C
Explanation: This is because there is no evidence for the other two answers.