Final answer:
The correct punctuation for the statement about Jonas Salk's parents is option A, which highlights the determination of immigrant parents with little formal education to ensure their children's success.
Step-by-step explanation:
The correct punctuation for the given statement about Jonas Salk's parents would be option A: parents-(immigrants with little formal education themselves) were. This statement reflects the sociological narrative that despite the lack of formal education and the challenges faced by immigrant parents, there's a strong determination to ensure their children's success.
This story shares similarities with narratives that discuss how different parenting strategies and socioeconomic backgrounds can influence children's accomplishments and assimilation into society.
Furthermore, this theme resonates with broader societal observations that acknowledge how cultural and economic diversity, as well as strong parental encouragement, are crucial in overcoming systemic barriers to educational and social advancement.