Check my answers please Ms.Sue

1.Which of the following is and example of print media?
A. a blog
B. a newspaper**
C. a magazine's website
D. all of the above
2.Which of the following is an example of public service announcement, or PSA?
A. a commercial advertising an unscented detergent
B. a magazine ad for tennis shoes
C. a commercial encouraging parents to talk to their children about drugs
D. a lawn sign for congressional candidate**
3.Based on the classic campaigns you viewed and what you know about digital media, which of the following is an accurate statement?
A. Media campaigns began with the rise of the internet.
B. Blogs are proven to be the most effective way to deliver a PSA.
C. Commercials with public safety messages do not work.
D. Media have served as a powerful way to deliver public service announcements for a long time.**
My answers are B, D, D are they correct?