A. Pamela said that she had gave the packet to Tom who kept it a long time.
B. Pamela said that she had given the packet to Tom,who kept it a long time.
C. Pamela said that she had given the packet to Tom,who kept it for longtime
D. Pamela said that she had given the packet to Tom, to keep for a long time.
✅ The correct answer is option B.