Which choice avoids fragments to present the information clearly and correctly?

Mr. Lang's fundraiser was a success because of his teenage daughter's computer skills. His website received a ton of donations. People loved it. Her sleek design and funny videos. It attracted a large crowd.
Mr. Lang's fundraiser was a success because of his teenage daughter's computer skills. His website received a ton of donations. People loved her sleek design and funny videos. Attracting a large crowd.
Mr. Lang's fundraiser was a success. Because of his teenage daughter's computer skills. His website received a ton of donations. People loved it. The sleek design and funny videos attracted a large crowd.
Mr. Lang's fundraiser was a success. Because of his teenage daughter's computer skills, his website received a ton of donations. People loved it. Her sleek design and funny videos attracted a large crowd.