Select the most appropriate option to fill in the blank.

Rescuers used a special device for finding people ______ in collapsed buildings.

trapped

The most appropriate option to fill in the blank is trapped.

The word "trapped" means to be caught or confined in a place from which escape is difficult or impossible. It is the most appropriate word because it accurately describes the situation of the people who were found in the collapsed buildings. The buildings had collapsed, and the people were trapped inside.

The other options are not as appropriate.

• Conquered means to defeat or overcome someone or something. It does not make sense in the context of the sentence, because the people who were trapped in the collapsed buildings were not defeated or overcome.
• Exceeded means to go beyond or surpass a limit or expectation. It does not make sense in the context of the sentence, because the people who were trapped in the collapsed buildings were not beyond or surpassed a limit or expectation.
• Blossomed means to develop or grow rapidly. It does not make sense in the context of the sentence, because the people who were trapped in the collapsed buildings were not developing or growing rapidly.