The article discusses actions taken by Mary Conger, a master plumber who teaches mandated continuing education classes so that plumbers can maintain their licenses. If we take an opportunistic view of her action, it is a good example of what? Choose one: A. copyright infringement B. consolidation C. rent-seeking behavior D. quality assurance

Option D

Explanation:

In simple words, Quality assurance, described by ISO 9000 as element of quality control focusing on ensuring trust that performance standards will be met," is a method of preventing errors and failures in manufacturing goods and avoiding issues when supplying products or services to consumers.

Thus, from the above we can conclude that the correct answer is D.

i think the answer is a. science center.