What advances in technology developed during the Han Dynasty? A) paper, the lock and key, and the plow
B) silk looms, windmills, and papyrus
C) the collar harness, the wheelbarrow, and the phonetic alphabet
D) paper, the iron plow, and advanced water power to grind grain.

A) paper, the lock and key, and the plow

Explanation:

The Han Dynasty had some major technological advances in it's time. Some of these inventions are the salt reel, the bamboo drill, the seismograph, the magnetic compass, acupuncture, moxibustion, the chain pump, the crossbow, the kite, and paper.                                                                                                                     Hope this helps! :P