Identify the grammatically correct sentence/s. (a) Except for her eyes, none of her features is remarkable. (b) Except for her eyes, none of her features are remarkable. (c) Except for her eyes, none of her features was remarkable. (d) Except for her eyes, none of her features were remarkable.

• A. Only a and c are correct
• B. Only b and d are correct
• C. All are correct
• D. None is correct