The US Government Has Passed Laws Regulating the Use of E-Mail

The U.S. government has passed laws regulating the use of e-mail marketing because:

A) it results in high volumes of spam and many consumers consider it a nuisance.
B) of the huge costs involved in monitoring Internet traffic.
C) it violates the privacy of online users and makes unauthorized use of consumer data.
D) it makes use of comparative advertising.
E) it involves sharing of a company's confidential data with the consumers.