Identify the sentence with correct use of the ellipsis:
A. He said, "I'm not sure... maybe later."
B. He said, "I'm not sure, maybe later."
C. He said "I'm not sure... maybe later."
D. He said, "I'm not sure maybe later."
The correct form is "He said, 'I'm not sure... maybe later,'" using an ellipsis to indicate a trailing off or omission.