Will give brainliest

Which type of natural environment most likely shaped the ecosystem
described in this passage?
The living things in a certain ecosystem have adapted to a cold, dark
environment. Plants grow in the spring, before it gets too cold, and
animals eat as much as they can during the summer. Once the winter
comes, most of the plants die and the animals migrate to warmer
climates.
A. Grassland
B. Desert
C. Rain forest
D. Tundra
W