下述关于心力衰竭概念的叙述，不恰当的是

A．心排血量可维持正常

B．通常伴有肺循环的主动充血

C．是指伴行临床症状的心功能不全

D．有心功能不全不一定有心力衰竭

E．伴有体循环和(或)肺循环淤血的心衰称为充血性心力衰竭

To our surprise, the 60-year-old granny           driver eventually and drives well.

A．became

B．has become

C．turned

D．has turned