Yes it is correctly punctuated.
C. A teacher claims that student performance has gone down based on school - wide test results
Okay Your Welp answer is
The Baxter family consists of Penny Baxter, his plump wife, Ora, and their son, Jody. They live in a simple cabin in the Florida scrub country, where patient, hardworking Penny ekes out a meager living by farming and hunting. Young Jody still sees life through the eyes of a child and finds a boy’s pleasure in building a flutter mill (a water wheel) at the spring when he should have been hoeing the garden patch.
Connotation by definition is an idea or feeling that a word invokes so D is the best answer