Charlie said, "I saw Jack at a party a few months ago and he seemed fine".

A. He said he had seen Jack at a party a few months ago and he had seemed fine

B. He said I saw Jack at a party a few months ago and he seemed fine

C. He said he had seen Jack at a party a few months ago and he seemed fine

D. He said he saw Jack at a party a few months ago and he had seemed fine