Which of the Following Situations Is Most Likely to Occur

Which of the following situations is most likely to occur according to the law of effect?

A) A person who feels less energetic after drinking coffee one morning is more likely to have coffee every morning.
B) A person who receives a reply that is less interesting than an ongoing lecture is more likely to keep on texting.
C) A person who receives a desired message is more likely to check emails more often.
D) A person who injures his knee while exercising a few times is more likely to exercise more often.