Multi-select problem: How does the next paragraph end?

Those items that she will be using to clean the windows as well as how to open the windows to be clean. she

Choices: a. begins to fill in some of the windows and shows viewers how to continue the process.; b. then proceeds to clean the windows and then close them back into place.; c. makes sure to wipe cks off of the window on the outside and dry the glass off.; d. sits back down.;
b.