Marie's Boss Has Asked Her to Compile a Spreadsheet for This

Marie's boss has asked her to compile a spreadsheet for this month's orders.Marie has never worked in Microsoft Excel before,but she is a good worker and her boss is confident she can learn how to use the software quickly.Which of the following best describes the maturity level of Marie and the leadership style that her boss should use so that the job gets done?

A) low maturity of employee: the manager should use the telling style
B) low to moderate maturity of employee: the manager should use the selling style
C) moderate to high maturity of employee: the manager should use the participating style
D) high maturity of employee: the manager should use the delegating style