How might you correctly use a relative clause to combine sentences 3 and 4? A Willa Cather wrote during the late 1800s and early 1900s to contribute to that American tradition.
B Willa Cather contributed to the American Tradition of the late 1800s and early 1900s.
C Willa Cather, who wrote during the late 1800s and early 1900s, contributed to that American tradition.
D Writing during the late 1800s and early 1900s, Willa Cather contributed to that American tradition.