Answer :
Answer: it's B Feldmen kept rigorous data on his business
Explanation: just did the test
Based on the excerpt, It can be inferred that the option that best explains why the authors included Feldman in their study is:
"Feldman kept rigorous data on his business." (Option B).
What is an Inference?
Inferences are deductions that can be made from looking at the facts presented in a story or text.
They help the reader to arrive at the same conclusions intended by the writer.
Learn more about Inference at:
https://brainly.com/question/669615