The correct answer is B. Civil Service Examination
Explanation
The Civil Service Exam was a test administered during part of Imperial China that was used as a selection test for officials. It was one of the first samples of meritocracy due to the fact that they evaluated different matters that allowed to verify that a person was qualified to perform a public function. These tests were also a way to move up the social ladder, so many lower-class individuals managed to ascend to the noble class, so this faded with this measure. Therefore, the correct answer is B. Civil Service Examination