Final answer:
Option 1 is the best paraphrase of the text, accurately conveying the information about the giant rafflesia's flowers and their odor.
Step-by-step explanation:
The best paraphrase of the text is option 1: The giant rafflesia, also called 'the stinking corpse lily,' produces flowers that can grow up to three feet in diameter and weigh up to twenty-five pounds. The blossoms emit an odor reminiscent of decaying flesh.
This paraphrase accurately captures the information in the original text, using similar wording and maintaining the important details about the giant rafflesia's size, weight, and distinctive smell.