Explanation/Reference:
Explanation:
According to the question, Rick wants the sheet tabs of the sheets containing charts to appear in red color.
In order to accomplish the task, he will take the following steps:
1. Select the sheets containing charts.

2. Right-click on the sheet tabs. Choose the Tab Color option from the shortcut menu.

Answer options A and D are incorrect. These steps will not affect the appearance of the sheet tabs.
Answer option C is incorrect. This is an invalid answer option.