Which of the following sentences does NOT contain a cliche?
A. Often, there is little value in concerning yourself with what has already happened. Focus on what can be changed instead.
B. While it is easy to blame others for initiating conflicts, remember that it takes two to tango
C. Sometimes, solving a seemingly complex problem is as easy as 1, 2, 3
D. Though longstanding grudges may be difficult to forget, there is something to be said for letting bygones be bygones