Agricultural expert: A new type of fertilizer, SynthaGro, promises to increase yields for corn farmers. Because the long-term costs of using it are unknown, however, I do not recommend its use at this time.
Corn Farmer: Your position is inconsistent with your usual course of action. You recommend many products that have substantial costs to farmers, so cost cannot be the real reason you do not recommend SynthaGro.
The corn farmer’s argument is flawed because it fails to consider that
【选项】
it is possible that the expert does not believe that SynthaGro is as effective as the manufacturer claims
选项是否正确？