单选题 It can be concluded from the text that______.

A、 viruses and regulators are invariably aimed at Windows
B、 Microsoft both benefits and suffers from its huge success
C、 European Union's inquiry into the acquisition is ungrounded
D、 punishments imposed on Windows are mostly justified

【正确答案】 B

【答案解析】这是一道推论题，依据文章末段可知答案为B。