The passage mentions the possible benefit to algae of nitrogen falling down in the rain most likely in order to A. provide support for Lovelock's response to an objection mentioned in the passage. B. suggest that the climatic effects of DMS production have been underestimated. C. acknowledge that Lovelock's hypothesis is based in part on speculation. D. demonstrate that DMS production alters the planet in more than one way. E. assert that algae are the sole beneficiaries of DMS production.