<span>The sentence which is punctuated correctly is this one:
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A. While his dad put the jack under the car, Trey looked for the tire iron in the trunk.
The use of comma is evident in this sentence to separate the dependent and independent clauses and initiate a brief pause between them.
Adult children help with their parents (elderly people) financially as they get older because they’re not able to take care of themselves for example unpaid bills.
