Which sentence is punctuated correctly?

coach “says it’s best to warm up your muscles first,” then stretch carefully before you run.
coach says it’s best to “warm up your muscles first, then stretch carefully before you run.”
coach says, “it’s best to warm up your muscles first, then stretch carefully before you run.”
coach says, it’s best to warm up your muscles first, then stretch carefully before you run.

What are the effects of parallel structure in this excerpt? check all that apply. it adds emphasis to the verbs that describe the british government’s oppression. it uses repetition to add power to the colonists’ growing list of grievances. it stresses jefferson’s list of grievances, giving the reader a sense of the amount of time the colonists have been oppressed. it emphasizes that all of these acts were carried out by the same person.