SAT English Practice Question

The first time I saw her, she was sitting on a park bench, reading a book. Her long, flowing hair cascaded down her back, and her bright, blue eyes sparkled with intelligence. She wore a simple, white dress that seemed to glow in the sunlight. It was a perfect summer day, and the world seemed to be at peace.

1. A.She wore a simple white dress, that seemed to glow in the sunlight.
2. B.She wore a simple white dress, which seemed to glow in the sunlight.
3. C.She wore a simple, white dress that seemed to glow in the sunlight.
4. D.She wore a simple white dress, and it seemed to glow in the sunlight.