Now that Michiko (A) FINSIHED the research, she feels B )REASONABLY CONFIDENT C) ABOUT WRITING her paper on the D) RISE OF the progressive movement in the United States.
The answer explanation says it has to be Now that Michiko has finished the research because it continues until the present. But shouldn’t the answer be “had finished” since she’s literally finished with it?
No, she HAS FINISHED because she FEELS in the present tense. Here are the changes that would require HAD instead:
ONCE Michiko HAD FINISHED the research, she FELT reasonably confident…