Early on the Morning of November 9, 1979, the U

Multiple Choice

Early on the morning of November 9, 1979, the U.S. national security adviser received a phone call warning that the Soviet Union had launched nuclear missiles at the United States. Just before he called President Carter, the national security adviser received a second phone call from the base that had detected the attack, saying, "There is no emergency because it was a false alarm caused by a computer error." The second caller gave the national security adviser:

A) An explanation because he was trying to help him understand why there was no emergency.
B) An argument because he was trying to convince him that there was no emergency.
C) Neither (a) nor (b) because the caller could not be sure whether there was in fact an emergency.
D) Both (a) and (b) because the caller's words were both an argument and an explanation.