西汉时期出现的农业生产工具是什么？WhatistheagriculturalproductiontoolthatappearedintheWesternHanDynasty?
A: 耧车 ananimal-drawnseedplough
B: 秧马 Yangma，avehiclefortransportingriceplantstothericefields
C: 铁锹 spade;shovel
D: 曲辕犁 QuYuanplough,bendingplow
A: 耧车 ananimal-drawnseedplough
B: 秧马 Yangma，avehiclefortransportingriceplantstothericefields
C: 铁锹 spade;shovel
D: 曲辕犁 QuYuanplough,bendingplow
