Given that a country’s real output has increased, in which of the following cases can we be sure that its productivity also has increased? ( )

A、各组分的溶解度不一样
B、各组分电负性不一样
C、各组分颗粒大小不一样
D、各组分的吸附能力不一样

A.利尿剂
B．β受体阻滞剂
C．钙通道阻滞剂
D．血管紧张素转换酶抑制剂
E．血管紧张素Ⅱ受体阻滞剂