Question

Which is a complete sentence? A. Explore six Pueblo sites in four states. B. Streaked red canyon walls and ancient cliffside dwellings. C. A winding path that leads to the hot springs. D. Interesting town of Dolores, next to the San Juan National Forest.

Answer 1

I would choose C. as there is a subject and context in the sentence which the others lack.
Hope I helped :)