It’s c, it calmly suggests that clothing may not be the best form of self-expression
Answer: changed was to were
Explanation:
The Soft Exosuit and the ReWalk, robotic suits designed to enhance the wearer's strength and endurence, <u><em>were</em></u> developed in part to assist people with mobility challenges.
They were developed, not was developed.
The correct answer is that the reasoning is not sound, the author relies on name-calling.