Gregory Stock is considered to be an expert in biotechnology. He has spent much of his career working to develop therapies for various conditions. He would be most qualified to write about new technologies in medicine.
B. Though Benjamin Franklin was known for his instrumental role in the founding of the United States.
This is a sentence fragment, you can tell because saying the sentence in your head or out loud feels incomplete, that is because the sentence wasn't finished, for example, "Though Benjamin Franklin was known for his instrumental role in the founding of the United States, he had many other accomplishments." Is a full sentence.
The best and most correct answer among the choices provided by your question is the second choice or letter B.
<span>The symbol in the story contributes most to the theme is M</span>angan’s sister because she represents domesticity and routine to the narrator.
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!