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Paragraph 5 strongly suggests which of the following about Forbes and Ross? A. Forbes got the idea for his dredge from Ross's deep-sea clam. B. Forbes did not know about the discoveries Ross had made in Baffin Bay with help of his deep-sea clam. C. Forbes carried out his investigations in the Aegean partly to disprove Ross's theory about the possibility of life in a abyss. D. Forbes overestimated the depths of the seas and oceans he studied while Ross's calculations were as accurate as those provided by modern soundings.