Answer:
It's either A or B, and im kinda leaning more towards B
Explanation:
1.B
2.B
I could very well be wrong but I tried >_<
My first choice would be A. When you read the excerpt, how does it make you feel? That's your first clue to the answer. If they want something book specific, I would choose C.
That would be <span>a connection between two or more things. (Mutual relationship works as well)
If we are talking about statistics then it would be </span><span>a quantity measuring the extent of interdependence of our variable quantities.</span>
"D. orb" would be the proper answer. Orbs are circular objects, usually referring to artifacts. In this case, the orb is the giant eye in the forehead that moves within a socket.