Which statement about the Jaqi Programming Language is TRUE?

Which statement about the Jaqi Programming Language is TRUE?
A . Jaqi always produces a MapReduce job, but Combiner functionality is optional
B . Jaqi includes the following operators: filter, extend, groupby, combine, and transform
C . Data that is read from multiple blocks (splits) is always processed in parallel by MapReduce
D . The read operator loads data from different source and formats, and then converts this data into JSON format for internal processing by the Jaqi interpreter

Answer: C