Greg works for online games development company. He occasionally visits online literature sites and downloads e-books of his choice while at work. Has Greg violated and professional code of conduct, and why?

A.) yes, because nobody is supposed to access non-work related sites during office hours
B.) No, because it seems like a harmless site about e-books
C.) yes, because in a games development company you should only be accessing gaming sites
D.) no, because games and e-books sites are technically related