(1) i have always enjoyed nature and being outdoors. (2) last fall i was taking one of my regular nature hikes, when i thought about how much my friends and family would enjoy the beautiful scenery surrounding me. (3) i wanted to share the beauty of the outdoors with them. (4) when i spoke to my parents they suggested that i take a photography class, so that i could take pictures and share them.
(5) i thought this idea was wonderful, so i enrolled in an evening photography class. (6) i learned how to focus my camera. (7) i also learned how to choose what to photograph. (8) after each class i took my camera and went for a walk. (9) while i walked, i photographed trees, flowers, birds, and more. (10) when i compared the photos, i noticed that they improved each week.
(11) after my final class, i took pictures of a stream, a cardinal, and a snow-covered tree. (12) with the of my photography teacher, i printed out the pictures and put them in frames. (13) i hung the photographs in my bedroom.

which sentences can be combined to improve the flow of the narrative?
a) sentences 6 and 7
b) sentences 2 and 3
c) sentences 8 and 9
d) sentences 10 and 11