Answer:
The correct answer is A
Step-by-step explanation:
Attribution report is the report which could be used, in order to understand the efforts for the first time they made on the website to the time when it become a customer. In short, it stating to evaluate the conversion path, so that could see or view what made someone convert.
So, in this case, the boss want more details on the content path which could leads into customer. This could be done by creating attribution report.