Its saying basically that there are hidden secrets underneath people. That every smile, nod or wave has a hidden agenda. It's like warning to be wary of who you trust.
I think its what it means to be alone
Answer:
Choice D
Explanation:
"The taiga lies between the tundra to the north and temperate forests to the south. Alaska, Canada, Scandinavia, and Siberia have taigas. In Russia, the world's largest taiga stretches about 5,800 kilometers (3,600 miles), from the Pacific Ocean to the Ural Mountains."
(https://www.nationalgeographic.org/encyclopedia/taiga/, 2011)