计划历时=12个月,ACWP = $10,000,BCWP = $14,000,BCWS = $17,500, BAC = $28,000根据上述数据,现在是第六个月的结束,完成项目所需的剩余的时间是多少?A. 6个月B. 8个月C. 9个月 D. 4个月