which of the following punctuates dialogue properly

A. I love it! she said, loudly. Yep, I said. i knew you would

B. "I love it" she said loudly
Yep,i said "i knew you would

C. "I love it" she said loudly
"Yep". I said "I Knew you would"

D. I love it! she said loudly
Yep, i said. I knew you would