Which statement best expresses a central idea of this passage? A.
Typical North Americans do not like to interact with each other at all.
B.
People should consider greeting each other with handshakes.
C.
People should always keep two feet of air space around them.
D.
Typical North Americans greet each other with a handshake.

Typical North Americans carry around with them an air space of about two feet in any direction. They feel uncomfortable when they are bumped or when this air space is penetrated in any way. When they are required to make some sort of physical contact with other North Americans, they do so by extending their hand rather tentatively out through their air space to join another hand that has reached out through another air space, in what is known as a handshake. The hands are then immediately withdrawn, and there is rarely another physical contact.

Announcer two: ladies and gentlemen, following on the news given in our bulletin a moment ago, the government meteorological bureau has requested the large observatories of the country to keep an astronomical watch on any further disturbances occurring on the planet mars. due to the unusual nature of this occurrence, we have arranged an interview with noted astronomer professor pierson, who will give us his views on the event. in a few moments we will take you to the princeton observatory at princeton, new jersey. we return you until then to the music of ramón raquello and his orchestra. the passage is from the transcript of the radio adaptation of the war of the worlds by h. g. wells. instead of including expert interviews, h. g. wells uses a narrator to tell about an alien invasion that occurred a few years earlier. by including expert interviews, how does the radio broadcast change the story most effectively? o. a. it puts the story in the past tense, increasing its personal tone. o o b. it makes the broadcast sound more like a fictional story. o o c. it makes the broadcast sound like a news report. o d. it makes the story sound less believable by changing who presents the story's details.