In any given PISA cycle, what is the primary characteristic that distinguishes the "major domain" from the "minor domains"?
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A
It is the only domain for which trend data is reported.
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B
A significantly larger portion of the assessment time and number of items are devoted to it.
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C
Its assessment framework is completely redesigned from scratch for that specific cycle.
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D
It is the only domain that is administered via a computer-based platform.