The exhibition brought together several paintings whose apparent simplicity concealed considerableAsophisticatedBsophistication 'CsophisticateDsophisticatingAnswer: B. sophistication ' Read Explanation: The correct sentence is: “The exhibition brought together several paintings whose apparent simplicity concealed considerable sophistication.”The word considerable is an adjective that modifies a noun. Therefore, the blank requires the noun form of sophisticated.Sophistication means refinement, complexity, or a high level of skill and development.In this sentence, the paintings appear simple, but their simplicity hides considerable artistic complexity and refinement. Read more in App