Your project is behind schedule due to conflict between team members.Having resolved the conflict,to get the project back on schedule,you should consider（）

A.crashing the schedule

B.performing resource leveling

C.conducting reverse resource allocation scheduling

D.utilizing the critical chair resources

安全带应采用高挂低用的方式，不应系挂在（）的物件上。

A.移动

B.锋利

C.不牢固

D.牢固