What is the correct form of the sentence? "We saw the most beautiful sunset that I've ever seen."
A. We saw the most beautiful sunset that I've ever saw.
B. We saw the most beautiful sunset that I ever seen.
C. We saw the most beautiful sunset that I've ever seen.
D. We seen the most beautiful sunset that I've ever seen.
The correct form is "We saw the most beautiful sunset that I've ever seen," using the past participle "seen" after "have."