Correct Option: C

As per the figures of Food and Agriculture Organization, three largest producers of rice in 2009 were China (197 million tonnes), India (131 Mt), and Indonesia (64 Mt). China has been the leading global producer of rice since long. According to a new forecast by FAO's Rice Market Monitor on 6 August, 2012 some countries are expected to register production gains, including China (Mainland), Indonesia and Thailand, along with several other countries in Asia in 2012.