Which of the Following Is False About Photo Tagging

Which of the following is false about photo tagging?

A) Users must assign names to people in photos.
B) People do not need to give permission to be tagged.
C) Facial-recognition software can only look for similar facial features among the user's photos.
D) Facial-recognition software can look at videos as well as photos.
E) There is no way a person can stop this.