An Advertisement in North America Showed a Businessman Giving a "Thumbs-Up

An advertisement in North America showed a businessman giving a "thumbs-up" sign in appreciation for the great service he received from AT&T. This same advertisement was vandalized when AT&T placed it in bus stops in Russia. The most likely reason for this is because the "thumbs-up" sign _________.

A) is a positive cultural symbol in Canada
B) is considered a positive cultural symbol in Russia
C) is considered a negative cultural symbol in Russia
D) is appreciated in North America