Which detail from the text explains what happens to electricity right before it enters people's homes?

A.
"Then, the electricity moves along the wires you see around your neighborhood." (paragraph 4)
B.
"The journey begins as the electricity is sent through giant transformers." (paragraph 3)
C.
"These little transformers lower the energy even more." (paragraph 5)
D.
"You needed electricity for all of these activities." (paragraph 1)

B. "The journey begins as the electricity is sent through giant transformers." (paragraph 3)