客调平台的过程监控模块实现对（）重点在途单的监控功能。
A.障碍
B.开通
C.电子流
D.激活工单
参考答案：A, B, C
The construction of the two new railway lines ________ by now.[ ]
A. had completed
B. have been completed
C. has been completed
D. had been completing
风险评级为一级和二级的理财产品，单一客户销售起点金额不得低于（）万元人民币。
A.5
B.10
C.15
D.25
