Each of the body paragraphs
She returned to school and earned good grades to graduate.
Answer:
Frost endured a number of hardships during his lifetime
Explanation:
D. Use, Many players on the baseball team use aluminum bats.
The correct option is "Volunteering is a good way to make friends, help the community, and feel good."
Parallelism is achieved when the same grammar pattern is used when listing ideas. In this example, the parallel structures are "make friends, help the community and feel good" since they all use the same grammar structure: verb+object.
In the rest of the options, there is a break in the pattern so no parallelism is achived.