Ill give you brainlest!! Which of the following sentences possesses parallel structure?

Cory had promised she had done nothing but slept, studied, and taking notes.
Cory had promised she would do nothing but sleep, study, and take notes.
Cory had promised she had done nothing but sleeping, studying, and take notes.
Cory had promised she would do nothing but get some sleep, studying, and taking notes.

The french revolution began less than two decades after the american revolution. in many ways, the american experience was an inspiration for the citizens of france. but the people of the two countries had different situations and had different concerns, which influenced the way each revolution began, progressed, and ended. in this assignment you will write an essay that compares and contrasts the two revolutions. in your essay, include information on the economic, political, or social conditions that were present; events that took place as each revolution progressed; and the final outcome of each. did the people achieve their original goals? did their goals change? were they satisfied with the outcome or did conditions worsen? to begin, consider the characteristics of each country, such as the following: • the status of ordinary citizens before the revolution • the type of government in place • the ability of the citizens to participate in their governance • the people who stepped forward as leaders • the taxes, laws, or social structure in place at the time • the outcome of the revolution compared to its original goals