一道GMAT PREP 逻辑题，求教各路大神！

Renesmeee

做prep遇到的一道题，没有答案解析，不太懂，求教！

sdcar2010

If the population is not limited by the availability of animals for the tick to feed on, then introducing EXTRA animals for the ticks to feed on would have no effect.

If it is limited, then the plan could work because ticks would jump from the old host to the new host.

Renesmeee

sdcar2010 发表于 2015-12-1 11:30
If the population is not limited by the availability of animals for the tick to feed on, then introd ...

谢谢， 懂了，不认识tick是种什么生物，原来是虱子