A+ Pop Quiz: I can’t think yetJack is powering on his computer. His screen shows the normal BIOS startup messages, but the operating system doesn't boot and the BIOS startup screen does not disappear. Which of the following would be the best choice to help Jack troubleshoot this issue? A) Event Viewer B) Multimeter C) Loopback plug D) POST card E) Power supply tester F) Another cup of coffee