Answer:
C. being left out
Explanation:
The central idea the details in this excerpt best supports is being left out.
From the excerpt, we discover that Lynette stated the no twelve-year old should be invited over after school but only the 'Fab Thirteens'. This gives the reader the idea that the twelve-year olds were left out and were not invited.
Also, the narrator's statement in the first line, <em>"Gradually, Lynette stopped inviting me over after school"</em>, clarifies the idea that she was being left out. Then when she overheard Lynette and Shelley's discussion, it dawned on her that twelve-year olds were not not invited and therefore left out.
Answer: In the Arctic, I think
<em>Hi There!!</em>
<em>I think the best answer is </em><em>Clause</em><em>...</em>
<em>Hope This Helps!!</em>

She discovers Titus's plan to become a soldier for the crown.