Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
A. Although I had a fear of water, I thought it was an  important skill I should learn.
B. However, what I didn't realize was that it would also make  me a more confident person.
C. I also thought it would be a good exercise that would make  me physically stronger.
D. One of the hardest things I've had to do was to learn how to  swim.