Which 1967 documentary by Allan King, set in a treatment centre for emotionally disturbed children, is considered a landmark of cinema verite?

• A A Married Couple
• B Dying at Grace
• C Come On Children
• D Warrendale ✓

Allan King's 'Warrendale' (1967) used observational documentary techniques to capture life inside a residential treatment centre, influencing generations of documentary filmmakers.