Expiratory capacity (EC)is the sum of ________ and ________.

A)expiratory reserve volume (ERV); residual volume (RV)
B)tidal volume (TV); expiratory reserve volume (ERV)
C)inspiratory reserve volume (IRV); expiratory reserve volume (ERV)
D)tidal volume (TV); inspiratory reserve volume (IRV)
E)tidal volume (TV); residual volume (RV)