SAT English Practice Question

When asked how he first got interested in the study of butterflies, the young entomologist replied, "My grandmother, she was a great lover of nature, and she would take me on long walks in the woods, where she would point out the different species of plants and insects to me."

1. A.My grandmother, she loved nature, and she would take me on long walks in the woods.
2. B.My grandmother, who was a great lover of nature, would take me on long walks in the woods.
3. C.My grandmother loved nature, and she would take me on long walks in the woods.
4. D.My grandmother was a great lover of nature, taking me on long walks in the woods.