Which of the following could be measured by defining a goal in Google Analytics?

61) Which of the following could be measured by defining a goal in Google Analytics?

A.   the percentage of visits that result in a site registration
B.   the percentage of visits during which visitors spent at least two minutes on the site
C.   the percentage of visits that contain only one page view

D.   All of these could be measured by defining a goal in Google Analytics conversion rate