What is the meaning of the idiom "Cap it all"?

To finish

The correct answer is OPTION 2 -To finish.

The meaning of the idiom "cap it all" is: To finish

This idiom is often used to describe the final event or fact that makes a situation even worse or better, essentially completing or culminating the series of events.

The other options are:

• To cover everything : This idiom means to include everything in a discussion or explanation.
• To seize everything : This idiom means to take control of something, often by force.
• To occur : This idiom means to happen or take place.