What happens on page 38 of the book Esperanza rising

She remembered what her papa told her, and she heard the Earth's heartbeat. In a sense, it's as if she had connected with the Earth.

the answer is c: at the city park,it has two basketball courts, a playground, and a walking path.

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."