It seems that you have missed the necessary details for us to answer this question, but hope this would help you. The line in the given passage that is considered a flashback is this: <span> She thought of her last day in middle school, seven years ago, when Sarah had given her an iPod. Have a great day!</span>
Um is this all the information you can give
The primary goal of the Constitution as stated in the Preamble is: (A) to give the country uphold liberty.
The last part of the Preamble reads, "...and secure the Blessings of Liberty to ourselves and our Prosperity..."
C because the other questions have punctuation outside of the quotation marks
Given that Carla has already knowledge of the example from the Ecology textbook, then her reading will increase. It is called a prereading, it is a technique in which the reader will skim the text before reading it thoroughly.
Carla already has an idea on what she will be ready since she has come across the example before reading the text carefully.