Sentence Correction

If the development of a hardier variety of rice is successful, the damage to at least 4 million tons of rice crops a year will be prevented.

1) at least 4 million tons of rice crops a year will be

2) 4 million or more than 4 million tons of rice crops a year will be

3) at least 4 million tons of rice crops a year were

4) at least 4 million tons of rice crops a year would be

5) at least 4 million tons of rice crops a year had been



OA A

Source: Economist Gmat