Honest answer: depends on his audience. But I would never pick c), even for a consumer. It's not specific. No one wants to "consume content." They want to "read

Honest answer: depends on his audience. But I would never pick c), even for a consumer. It's not specific. No one wants to "consume content." They want to "read the newspaper" or "watch videos" or "listen to music." Those actions are, of course, consuming content, but you want to use words and phrases that allow people to imagine using your product. "Consuming content" does not cause me to think of myself using it.