In Discussing Rumors, the Text Points Out Several Valid Statements

In discussing rumors, the text points out several valid statements. Which of the following statements concerning rumors is not valid?

A) While rumors may spread through an assembled collectivity, they also may be transmitted among people who are dispersed geographically.
B) Rumors thrive when tensions are low and a large amount of authentic information is available on an issue of great concern.
C) Although they initially may contain a kernel of truth, as they spread, rumors may be modified to serve the interests of those repeating them.
D) Rumors thrive when tensions are high and little authentic information is available on an issue of great concern.