Answer:
The correct answer is A. Junks are boats that are typically used in the rivers of China and the East Indies.
Step-by-step explanation:
The junk is possibly one of the oldest sailing vessels known, since its appearance is documented in the year 600 BC and is still in use in many parts of Southeast Asia.
The hull has a short stern and no keel. They were the characteristic ships of the China Sea and both Genghis Khan and Kublai Khan used them in their attempts to conquer Japan. It was used both for war and for trade. In the 9th century AD Chinese junks transported goods to Indonesia and India.