I’m going to take the Iready test today
the third one, if you add the comma without the when then you would have a comma splice (when you put a comma between 2 independent clauses without a conjunction) adding the when before Cynthia makes the first part a dependent variable and makes it okay to add the comma!
Hope this helps! :)
Answer:c
achieved their intended purpose the best? What from their piece helped them to achieve their intended purpose?