题目选项分析

Ecologist: The incidence of alligator attacks on humans in the vicinity of the Blue Lagoon has increased in recent years. Relocating at least half of the Blue Lagoon`s alligator population would help decrease the incidence of alligator attacks on humans.

The ecologist`s claim relies on which of the following assumptions?

【选项】In recent years, there has been no significant change in the size of the alligator population in the Blue Lagoon.