A Digital Developer has identified that the code segment below is causing performance problems.
What should the Developer do to improve the code?
A. Use a system attribute instead of the isOnSaleFlag custom attribute.
B. Avoid post-processing and use the isOnSaleFlag attribute as a search refinement.
C. Breaks the process into separate loops.
D. Avoid using an Iterator and use a Collection instead.
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I think it must be B