What advantage does paraphrasing sources have over quoting them?

a. paraphrasing indicates to readers that the author disagrees with the source
b. paraphrasing brings several different styles and voices to a text
c. paraphrasing allows the author to avoid citing sources
d. paraphrasing allows the author to maintain control of the material

Why did orson welles change the beginning of the war of the worlds for his radio broadcast? a. to capture the attention of his listeners, who may have been doing other things b. to get around copyright laws associated with using material from a published book c. to ask members of the audience to call family and friends and encourage them to listen d. to remind listeners to call police for more information