Using Click-Through Rate as a Measure of the Amount of Interest

Multiple Choice

Using click-through rate as a measure of the amount of interest or attention a Web site is receiving can have disadvantages.Which of the following is NOT a flaw of this method?

A) It measures clicks rather than unique visitors
B) It likely makes some hits by mistake.
C) It does not always convey the meaning behind the number of clicks.
D) It does not adequately measure the number of times an ad is clicked on.