Three Weeks Ago,you Sent a Proposal to a Client Who

Three weeks ago,you sent a proposal to a client who had asked for information on upgrading his company's security system.You've heard nothing in response.You should

A) inquire politely as to whether the report arrived and offer to answer any questions regarding its subject.
B) take it as a sign that the client agrees with what you had to say.
C) assume that the report has not been read.
D) call the client and demand to know why you haven't received a response yet.
E) call the client's office,give a fictional reason for calling,and then casually ask about the report as if you had forgotten about it,as well.