English to Chinese Other Computers: Software

What are the possible path statuses in Problem Diagnosis?
A. normal, unknown, critical
B. up, down
C. normal, warning, minor, major, critical
D. managed, unmanaged

在“问题诊断”里，可能的路径状态是什么？
A. 正常，未知，临界
B. 连接，断开
C. 正常，警告，次要(???)，主要(???)，临界
D. 受管，未受管

TIA