Answer: Option(a) is correct answer
Explanation:
Sapir-Whorf hypothesis is the concept that describes about language structure impacting thinking modes and behavior trait of culture. Social reality gets defined through influencing mode of views and thoughts to present it through speaking.
Other options are incorrect because social inequality describes reality,no link between culture and language and material culture depicted through language is not the hypothesis of Sapir-Whorf .Thus, the correct option is option (a).