Which is the BEST analysis of this passage?

After studying Christian's experience and Dr. Campbell's opinion, the

author of the passage rejects the claims by Pro Walk.

Even after studying Christian's experience and Dr. Campbell's opinion, the

author of the passage cannot answer his own question.

After studying Christian's experience and Dr. Campbell's opinion, the

author of the passage supports the use of orthopedic inserts.

Even after studying Christian's experiepce, the author firmly believes more

case studies are needed to determine if orthotics work.

The BEST analysis of this passage is that - After studying Christian's experience and Dr Campbell's opinion, the author of the passage supports the use of orthopaedic inserts. So, here the right answer is Option C.

Explanation:

The ending statement of the excerpt from "Does It Work?" by Terri Roberts is what convinces this statement to be the correct analysis of the passage. The speaker here, is convinced about the importance and use of orthopaedic inserts but is not absolutely assured about the particular brand's efficiency. This is because the speaker says that every individual's feet are different so they must find a product that works for them.