Identify the choice that corrects the comma error or errors in the sentence below:

Sarah and I brewed a fresh pot of coffee because we had to stay up late to finish the presentation.

A. Sarah and I, brewed a fresh pot of coffee, because we had to stay up late to finish the presentation.
B. Sarah and I brewed, a fresh pot of coffee, because we had to stay up late to finish the presentation.
C. Sarah and I brewed a fresh pot of coffee because we had to stay up late to finish the presentation.