The answer is c.characterization
C is not the right answer as it does not even include name of the artist, Di Vinci. The correct answer is A. Leonardo Di Vinci is best known for his fantastic paintings and sculptures but he was also an inventor and invented the ariel screw, the parachute, and several war machines.
She is crying. The verb cry is both transitive and intrsitive. As "cry" is intransitive or there's no object in the sentence presented, you cannot change the sentence into the passive voice. Look at the following example in which the cry has been used as a transitive verb: The mother cried tears of joy when she found her child.
