Which one of the following forms of advertisement would violate solicitation rules? PA

A.placed a media advertisement listing the different types of expertise available at the firm's major office locations.

B.placed an advertisement in a newspaper indicating the opening of a new office.

C.conducted a coldminuscalling campaign where companies were asked if they would like to change PA firms.

D.conducted a survey asking companies about the types of services that are provided by their accounting firms.