【名词&注释】
运输成本(transportation cost)、经费支出(appropriation expenditure)、存在着(there are)、总支出(aggregate expenditure)
[单选题]该单位人员经费支出占总支出(aggregate expenditure)的比重为( )。
A. 38.9% B. 39.39% C. 63.6% D. 65%