Read the passage, and choose the correct answer A,...

Câu hỏi: Read the passage, and choose the correct answer A, B, C or D for each question.All of the following are the wonderful features of Son Doong Cave EXCEPT .........

A. tropical jungle inside with the biodiversity

B.spectacular scenery of numerous stalactites and stalagmites

C.a river flowing over 2.5 kilometers along the cave

D.the big sizes of the cave and the giant domes