The farmer is working now. He's fed the horse and the sheep, ________? [ ]

A. doesn't he

B. isn't he

C. wasn't he

D. hasn't he

农民王宝四、宋长林想进行长途运输赚点钱，但没有买车资金。两人便找到镇银行营业所的会计韩兵借钱。开始韩兵称："贷款给个人买车从事贩运活动是违法的"，不同意借款。后来韩兵认为长途贩运很赚钱，便提出他可以提供贷款，但运输利润三人要平分。王宝四、宋长林表示同意后，韩兵便擅自采取贷款方式借给2人买车款2万元。案发后，韩兵的行为被定为______。

A．挪用公款罪

B．违反财经纪律的行为

C．贪污罪

D．侵占罪