Which of the following are valid program types for a lightweight job？（）

A. Schedule object
B. Program object
C. Job object
D. Resource plan
E. Resource consumer group

A. Update job log when a job completes
B. Spawn and remove job slaves
C. Write/read job info to/from memory cache
D. Query job table
E. Pass job information to job slaves

A. FREQ = MONTHLY； BYMONTHDAY = 31
B. FREQ = MONTHLY； BYMONTHDAY = -1
C. FREQ = DAILY； BYDAY = -1
D. FREQ = MONTHLY； BYDAY = 31
E. FREQ = DAILY； BYMONTHDAY = LAST_DAY