Explanation:

India had the highest export volume of rice worldwide, at 9.8 million metric tons as of 2018/2019. India, currently the world’s largest exporter of rice, has seen a 35 per cent fall in rice exports so far this year, as domestic rates have been higher than that offered by competitors. However, exporters of common variety rice now are hopeful that the supply slump in Thailand due to drought and price increase in Vietnam and Bangladesh—the other major rice producing nations—will turn the market favourable for them. While China is the largest Producer of Rice. Hence opotin 1st is correct.