Given these statements are executed: which statement is true?

Given these statements are executed: which statement is true?

A . The entire query will be accelerated to Informix Warehouse Accelerator (IWA) including the OLAP operators.
B . The entire query will be executed on Informix database server, and no portion of it will be accelerated by Informix Warehouse Accelerator (IWA).
C . The underlying SELECT, JOIN, GROUP BY, and PROJECT operation of the query is accelerated to Informix Warehouse Accelerator (IWA), and OLAP expressions are evaluated by Informix database server.
D . The underlying SELECT, JOIN, GROUP BY, and PROJECT operation of the query will be executed by Informix database server, and the OLAPexpressions are evaluated by Informix Warehouse Accelerator (IWA).

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Answer: C