下列属于水运建设工程施工质量验收与评定规程的是（）。
A. 港口工程地下连续墙结构设计与施工规程（JTJ303）
B. 航道整治工程技术规范（JTJ312）
C. 通航建筑物水力学模拟技术规程（JTJ／T235）
D. 干船坞工程质量检验评定标准（JTI332）
E. 疏浚工程技术规范（JTJ319）
The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this？（）
A. to prevent the creation of an excessive number of scheduler job classes
B. to allow the Automated Maintenance Tasks to use system resources without any restriction
C. to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window
D. to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resource
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