Final answer:
The correct answer is (a): Both 'A Hill Reveals Its Secrets' and 'D. H. Lawrence at Tarquinia' explore natural landscapes, but the former emphasizes historical secrets while the latter focuses more on personal experiences.
Step-by-step explanation:
The literary focus of 'A Hill Reveals Its Secrets' is different from 'D. H. Lawrence at Tarquinia' in terms of their thematic emphasis. While both texts may explore elements of the natural landscape, 'A Hill Reveals Its Secrets' tends to emphasize the revelation of historical secrets through its depiction of the landscape. On the other hand, 'D. H. Lawrence at Tarquinia' primarily delves into Lawrence's personal experiences and thoughts while present within the landscape, making it a more introspective work. Therefore, one can infer that both texts approach their subjects from different angles; one historical and the other personal.
The correct answer to the given question is option (a): Both explore natural landscapes, but one emphasizes historical secrets. This reflects the nuanced differences in how each text interacts with its subject matter.