Which of the following script determines the number of scripts run by user and queue on a cluster?

a = load '/mapred/history/done' using HadoopJobHistoryLoader() as (j:map[], m:map[], r:map[]);

Which of the following script determines the number of scripts run by

1.	Which of the following script determines the number of scripts run by user and queue on a cluster?
A.	a = load '/mapred/history/done' using HadoopJobHistoryLoader() as (j:map[], m:map[], r:map[]);
B.	a = load '/mapred/history/done' using HadoopJobHistoryLoader() as (j:map[], m:map[], r:map[]);
C.	a = load '/mapred/history/done' using HadoopJobHistoryLoader() as (j:map[], m:map[], r:map[]);
D.	None of the mentioned
Answer» B. a = load '/mapred/history/done' using HadoopJobHistoryLoader() as (j:map[], m:map[], r:map[]);