Twist your shoulders and neck (not at the same time) until you hear a popping sound the same thing works for fingers
Take time to evaluate her exercise ability.
After World War II, Americans shifted to more service and agricultural jobs in a way, they decided that they should be more self-sufficient in terms of agronomy, but more importantly, they turned towards service with the rise of consumerism. Consumerism in America greatly dictated how the country has progressed in the past few decades.
B is the right answer for that reason.