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 from 34 to 38.

Famously being one of Vietnam’s seven UNESCO World Heritage Sites, the Imperial City of Hue has long been a (34)____________attraction for tourists visiting a hidden charm of Vietnam. The Imperial City of Hue was actually a walled fortress and palace belonged to the ancient city of Hue (35)__________ was a capital city of the Nguyen Dynasty for 140 years date back from 1805 until 1945.

The Imperial City of Hue has a circumference of 10 kilometers with the height of 6.6 meters and 21 meters thick with forts being meanderingly arranged, accompanied by cannons, artilleries and ammunitions. (36)________the fortress was built solely by soil, only to be replaced by bricks afterward. Surrounding the city is the complicated canal system served not only as a protection but also as a waterway with nearly seven kilometers.

There are total of ten main majestic gates (37) _______to the Imperial City of Hue, which can be divided into two main parts excluding houses and mansions: The Citadel and The Forbidden City. The former served to protect the important palaces inside while the (38)_________was where the emperor and the royal family stayed as well as the court’s workplace. All the typically traditional Eastern architectures including majestic palaces, tombs and museums stand accordantly together to make an utmost amusing attraction right in the heart of Vietnam.

(Adapted from https://www.vietnamonline.com/)