Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.
The Huong Son Complex of Natural Beauty and Historical Monuments is situated (1) ________ a limestone mountain range, some 60 kilometres southwest of Ha Noi. This mountain range was (2) ________ more than 200 million years ago. The Huong Son Complex area is a natural habitat of many rare and valuable species of tropical fauna and flora as well as of primitive men in North Viet Nam. (3) ________ of caves are archaeological sites, belonging to the Hoa Binh culture and dating back to over 10,000 years.
In the far past, taking advantage of the local (4) ________ beauty, ancient Viet people built a system of hundreds of Buddhist pagodas and temples in caves on mountain sides and streams. The most spectacular of those is the Huong Tich Cave, (5) ________ is also the most beautiful natural cave in the country.
1. A. on B. at C. in D. above