What one of the bolded words or phrases from the following passage help you understand what "concealed" means? "There are many soldiers in Gilleleje and all along the coast. They are searching all the boats now. They know that the Jews are escaping, but they are not sure how, and they rarely find them. The hiding places are carefully concealed, and often we pile dead fish on the deck as well. They hate getting their shiny boots dirtied!" O shiny boots O rarely find O escaping O not sure