Recongnise the figure and find out the correct matching
A. a-simple stirred tank bioreaction, b-complex stirred tank bioreactor
B. a-complex stirred tank bioreactor, b-simple stirred tank bioreactor
C. a-simple stirred tank bioreactor, b-sparged stirred tank bioreactor
D. a-sparged stirred tank bioreactor, b-simple stirred tank bioreaction