Final answer:
The described climate zone with cold temperatures and low bushes suitable for growth is the Arctic Tundra, which makes C. Tundra the correct answer.
Step-by-step explanation:
The climate zone described in the question is found in the high latitudes, between 60-90 degrees, where low bushes are among the few plants that can grow and most of the year is characterized by cold temperatures. This describes the Arctic Tundra, which is a biome located at the most northern latitudes and is known for its extremely cold climate, low precipitation, short summers with nearly 24 hours of daylight, and a vegetation largely composed of low shrubs, grasses, and lichens adapted to the short growing season. Hence, the correct answer to the question is C. Tundra.