Select the option that gives the most appropriate meaning of the underlined idiom. My friends succeeded because they left no stone unturned in the search for an answer to the problem.

Choose the alternative that best expresses the meaning of the given idiom: 'To spill the beans'

Select the most appropriate meaning of the given idiom: 'Clouds on the horizon'

Identify the most appropriate meaning of the given idiom: 'Drive someone up the wall'