What does Magento use to determine whether the automatically run upgrade scripts have been run yet?

Question

Options

• AThe modification date on the modules' etc/config.xml file
• BThe version number (or lack thereof) stored in the core_module_version table
• CThe version number (or lack thereof) stored in the core_resource table
• DA comparison of the resources that are capable of successfully loading

• A
  16% (7)
• B
  5% (2)
• C
  72% (31)
• D
  7% (3)

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