<span>B.The information is the quote has already been stated.
The previous sentence says the exact same thing just in a different order - labs must go through a rigorous testing process. The quote should prove the statement correct, not repeat it. A better quote to choose from the source is an explanation of the testing process. This would then prove it's rigor. </span>
Past: present: future: begin began begun break broke broken fly flew flown get got gotten cut cut cut do did done eat ate eaten fall fell fallen lose lost lost read read read
