Answer:
worksheet context menu
Step-by-step explanation:
You are just required to right-click on the sheet name mentioned below in the worksheet. By plus button, you can add a new sheet. However, if you right-click over the sheet name then as well you will get a worksheet context menu, and there you will find the insert option at the top. If you will click over on it, you will get an option to add a new sheet, macros and a few others. And from here as well you can add a new sheet. Hence, the worksheet context menu is the correct option.