Final answer:
Option (A), The correct response is suggesting to avoid selecting the option as it runs all tests including those in different organizations and external tests may fail without the ability to fix them.
Step-by-step explanation:
If this option is selected, all tests will be run, including those in different orgs. You should avoid using this option since it is possible for external tests to fail, but you have no ability to fix them. The correct answer is A) All / Different orgs / Avoid / External.