A
A.It is because the formation of habits is based on common solutions. 因為習慣是基於通常的解決方案形成的。
B
B.It is because the formation of habits is based on uncommon solutions. 因為習慣是基於不尋常的解決方案形成的。
C
C.It is because stronger habits are violated most easily. 因為根深蒂固的習慣最容易被侵蝕。
D
D.It is because stronger habits force us to be creative. 因為更强的習慣迫使我們更加有創意。