C because a market research helps when you are buying something which he is (car) and this is a secondary resource because it is recommended by someone rather than them finding the research himself.
I think I can try doing it lol
Answer:
Two adjectives to describe John Steinbeck's literary works are: simple and informal.
Explanation:
John Steinbeck was the author of twenty-seven books, including novels and short stories, his work being considered social realism, masterfully reflecting the situation in the United States during the Great Depression.
His style could be associated with European naturalistic realism, based on the philosophical basis of historical determinism. He was a realist-style writer whose literary works could be considered simple and informal.