I think its a Sentence. Hope this helps
Answer:
I am not sure but I think the answer is of option B.
Deborah Tannen, a professor of linguistics (A) studied whether one form of interaction dominates American culture. She studied natural conversations occurring between different people and analyzed the expression of interpersonal relationships in conversational interaction.
Answer:
B.
In 1976, the ban on pinball machines was lifted in New York City.
The answer is B. duplex. The definition of a duplex is "a house divided into two apartments, with a seperate entrance for each."