The best evidence from the text that supports the analysis that human-raised honeybees may be responsible for harming wild bumblebee populations is:
B) “Filling in one piece of the puzzle, the study revealed wild bumblebees pick up more viruses the closer they forage to managed honeybee colonies.”
This statement directly connects the presence of managed honeybee colonies to an increase in virus transmission to wild bumblebees, indicating a potential negative impact on their populations.