Question

While both traditional media and social media can reach either a large audience or a niche audience, social media are different from traditional media because

Q: Answer-While both traditional media and social media can reach either a large audience or a niche audience,...

Alternative a is the correct answer because production of traditional media requires special training and a production team. Alternative b is incorrect because Facebook and Twitter are both examples of social media. Alternative c is incorrect because social media reach both large and niche audiences. Alternative d is incorrect because traditional media are often expensive to produce and social media are inexpensive or free to produce.