Final answer:
The subject of this question is Business, and the correct answer is Talent pipeline.
Step-by-step explanation:
The subject of this question is Business and it is a question appropriate for College level.
Based on the information provided, the organization Year Up is being compared to traditional recruitment sources in terms of their performance as a pipeline of talent. The question asks to define the subject of this question, and the correct answer is B) Talent pipeline. Year Up is described as performing 6 times better than traditional recruitment sources, with a 1 in 3 ratio of success compared to 1 in 18 for traditional sources.