Which of the Following Is the Correct Method for Accessing

Which of the following is the correct method for accessing Microsoft Help?

A) It can be accessed by clicking the question mark in the office button that appears at the upper left-corner of the Excel window.
B) It can be accessed by clicking the question mark in the upper right-hand corner of the ribbon on the Excel window.
C) It can be accessed by clicking the question mark in the status bar that appears at the very bottom of the Excel window.
D) It can be accessed by clicking the question mark present on the title bar of the Excel window.