充血
参考答案：
局部组织或器官的血管内血液含量增多的现象，称为充血。
小张刚到生产制造企业工作，其所在的企业为了提高效率，提高物流管理水平，计划实施JIT，让小张负责JIT实施项目的前期准备工作。请帮小张分析一下实施JIT的支持手段是什么？
My parents are always telling me to leave everything in the study_________.
A．as they were
B．as it was
C．like they were
D．like it was
