Read the passage and choose the best option to fill each blank.
Hoi An is an old town down the Thu Bon River, on the coastal plain of Quang Nam Province. It used to be known on the (1)_________market under many different names such as Lam Ap, Faifo, Hoai Pho and Hoi An. Researchers said most of the buildings in Hoi An (2) _________restoration at the beginning of the 19th century. The streets are very short and narrow, having a winding, crossing as the chessboard (3) _________. The traces of time can be found not only on the (4) _________design of each building but also everywhere like: on the yin-yang roof tiles covered with moss and plants; the old gray mold walls; the pictures carved on a strange animal, or describing an old story. Having inherited a multi-cultural architecture so varied and sophisticated, Hoi An must have (5) _________numerous and talented workers in carpentry, ceramics, and woodcarving from China, Japan and other regions of Vietnam.

A. famous

B. competitive

C. international

D. foreign