Woman snaps salesgirls for her son

A woman in Chongqing desperate to find a wife for her 30-year-old son has been caught secretly taking photos of saleswomen at a supermarket. The woman said she just wanted to help her son find a girlfriend. She agreed to delete the photos after the police told her it was illegal to take photos of others without their permission and she could be detained for up to 10 days for the offence.

How long could the woman be detained for illegal photo taking?

A. Up to 10 days

B. Up to 11 days

C. Up to 12 days