单项选择题

A.培养基制备→接种→培养→收获→配苗分装→冻干
B.培养基制备→接种→培养→收获→半成品检验→分装→冻干
C.培养基制备→接种→培养→收获→半成品检验→冻干
D.培养基制备→接种→培养→收获→半成品检验→配苗分装→冻干