Frank attended a meeting, but his headache prevented him from concentrating on what his manager was saying. The headache acted as

Marshall McLuhan strongly believed that the content of the messages that we are transmitting is less influencing than ______.

A. the medium itself and the experience from using it B. the face-to-face conversations that we have C. the impact of social forces D. none of these, the content is the most influential

Compared to written language, spoken language generally __________.

A. consists of shorter, more familiar words B. includes more qualifiers, such as "perhaps" C. tends to be less self-referential D. uses more acronyms