Read the following lines.
Dozens of kids circle
the worn wooden floor
on old rental skates,
and none of them wear
helmets or pads
In these lines, the poet's tone can be described as

playful
cheery
concerned
bitter

The correct answer should be c) concerned

Abiography is a description of a real person's life, including factual details as well as stories from the person's life. biographies usually include information about the subject's personality and motivations, and other kinds of intimate details excluded in a general overview or profile of a person's life.