"Hey, Boss, I Heard on the Office Grapevine That the Company

"Hey, boss, I heard on the office grapevine that the company is up for sale. What have you heard?" asked Ulysses. "That's absolutely false," said Andrew. "I know for a fact that one of our competitors planted that rumor. I need to neutralize that rumor." Why does Andrew believe that he needs to neutralize the rumor?

A) The grapevine is a formal communications network that should be under management control.
B) The grapevine cannot teach employees how to do their work successfully.
C) The grapevine can be destructive when erroneous misinformation proliferates and harms operations.
D) The grapevine, as an informal communications network, does not provide information or solve problems.
E) The grapevine, like all informal communications networks, must be suppressed.