Which of the following most logically completes the argument below?
Too much fishing effort leads to excessively high catches, labeled “overfishing” when annual volumes exceed ecologically sustainable levels. In order to bring total catch down to an ecologically sustainable level, authorities propose to introduce Total Allowable Catches (TACs), a quota on the number of fish a boat can bring in. This proposal, however, is ill conceived, since _______.
【选项】
many fishing boats remain at sea for months at a time
选项是否正确？