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.
The best way to increase reading comprehension is to read more often.
Reading different types of books, with different subjects and content,
will condition your brain to retain more information over time. This
will also give you the ability to read more quickly.
Answer:
I got answer A correct and most suitable
No A digital stand on it's own