A、A month. B、Three weeks. C、Three days. D、Two days. B题目问Michael Mangal以椰子为生的时间。新闻中明确提到了在3周的时间里，Michael Mangal靠椰子为生，故B项为正确答案。

[3]A man has been found alone on a remote island a month after he was washed out to sea by the Indian Ocean tsunami. He says he is the only survivor from his village in India’s Nicobar Island. With more details, here is Andrew K. Michael Mangal was sucked into the Indian Ocean when the tsunami hit his island, Pillow Panja. But a subsequent wave washed him back onto shore. He told his rescuers that although he is slightly injured he searched the partially submerged island for any other survivors from his village, but found no one. Mr. Mangal spent several days in the forest, fearing that more waves might hit the coastline. [4]For the next 3 weeks he lived on coconuts. Eventually an Indian navy boat saw him waving a flag made of his clothes and took him to safety.
3. What is the news report mainly about?
4. How long did Michael Mangal live on coconuts?