下面的程序中有五处错误,请指出错误所在行号并写出正确的语句。程序功能:求1到20的阶乘的和。0)#include1)int main()2){3) int n,j;4) float s=0.0,t;5) for(n=1;n<=20;n++)6) {7)s=1;8)for(j=1;j<=n;j++)9)t=t*n;10)s+t=s;11) }12) printf("jiecheng=%d\n",s);13) return 014)}

A. 订单规模限制
B. 订单周期
C. 送货频率
D. 文档质量

A. Quality of products
B. Price of products
C. Process of products
D. Innovation of products

A. Customer service as an activity
B. Customer service as a theory
Customer service as performance measures
D. Customer service as a philosophy

A. 供应链改良策略
B. 供应链集中策略
C. 供应链扩展策略
D. 供应链革新策略