'Adroit' means skillful, clever, or dexterous in using the hands or mind. 'Clever' (C) is the correct synonym. 'Gauche' (A) means awkward or clumsy - an antonym. 'Shobby' (B) is a misspelling of 'shabby' meaning worn or dreary, not related to adroit. 'Left' (D) is the opposite of right, unrelated.