Answer: I believe this would be A.) choosing an alternative
Explanation:
You can place an insertion point by clicking in the field or by clicking F2 keyboard shortcut. Insertion point is usually characterized by a blinking vertical line that allows you to insert a next character that you wanted.
Answer is A. The data has been filtered
The funnel in Excel lets you know that there is a filter in place on the columns. It is a filter icon. By default, any filtered column in Excel gets a little funnel icon on the top row as shown in the image attached. Once this funnel symbols is clicked, it gives you options to filter using several criteria.
Pinhole cameras were one of the most sophisticated devices of the period, it made tasks much easier it basically worked exactly like the human eye and is something just like tracing.