The correct option is
E Tundra taiga, temperate broadleaf forest, tropical rainforest.
1. Tundra are found in the highest latitudes, mostly in northern hemisphere.
2. Taiga is situated just below the taiga.
3. Temperate broadleaf forests are found in mid latitudes, along the coasts.
4. Tropical rainforests are situated at the equator and up to around 10 degrees N or S.
Hence if an individual began at the north pole and travelled south towards the equator, the order he or she would most likely encounter the four biomes temperate broadleaf forest, taiga, tropical rainforest, and tundra is Tundra, Taiga, Temperate broadleaf forest, Tropical rainforest.
So, the correct answer is 'Tundra taiga, temperate broadleaf forest, tropical rainforest'.