Letter A is correct.
The United States has the highest number of divorces in the world. Even though women are more likely to sense something is going wrong, file for a divorce and believe that the divorce is the way for the "second chance", men tend to remarry after a divorce sooner than women do. However, after going through a divorce, women usually display better emotional adjustment than men do.
This would be an example of continuous reinforcement.
Continuous reinforcement, as the name itself says, make someone do something continuously - it makes them repeat a particular action. So Jemma's son gets praised and hugged every time he says thank you, and he is bound to repeat saying that in order to be praised more.
The King issued a Proclamation of Rebellion.
So he can find a shorter route to Asia.