I'm pretty sure it's B. The evidence <em>isn't</em> effective, so A and C are out. that leaves us with B and D, and in the 2nd choice the answer provides evidence from the text to defend its thesis. D wouldn't be right because the reasoning is incredibly vague and doesn't give any textual evidence to support it. My gut says B.
A, From this, the team could tell how many times each kid’s head had been hit.
Answer:
Answer C
Explanation:
------------------------------------------------------------------------------------------------------------
I--Because:
-Tree ⇒ Trees
-Tooth ⇒ Teeth
-Mouse ⇒ Mice
But "ox" not "oxes".ts C