A was not correct either.
Surge protectors, and there are many levels of them price and protection wise, are to cut off voltage spikes from lighting strikes, a power outage from the untility company then the temporary surge in voltage when power resumes.
A: Current is the wrong answer.
This is one of hundreds of product categories I sold for 37 years.
The show got it wrong.
Next question?
LOL
What a dumb kid....