Read the following announcement and mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 13 to 16.

TRANG AN SCENIC LANDSCAPE COMPLEX
Quick facts
• Recognised as ___(1)___ first mixed World Heritage Site in 2014
• Famous for its beautiful ___(2)___ and long cultural history
• Consists ___(3)___ three protected areas
Natural beauty and biodiversity
• Beautiful limestone mountains, valleys, and rivers
• More than 600 types of plants and 200 types of animals
Cultural heritage
• Caves showing how early humans lived over a period of 30,000 years
• Hundreds of temples and ___(4)___ pagodas
Current condition
• The landscape is not changed or damaged by human activities.
• Most of the site is still kept in its natural state, e.g. the original style of architecture.