The compound word" quick-fix" ( Line 2, Para.1 ) is closest in meaning to ______.

A．use the method of scientific investigation in daily life
B．are not far away from obtaining the scientific skills
C．have to face bravely the obstacles in the academic field
D．are capable of overcoming the difficulty in science work

A．scientists create theories based on Nature
B．ordinary people fulfill daily activities
C．ordinary people benefit from Nature
D．scientists develop skills in science work