The firm was badly in ______need of a manager with ______better command of French.

A．a; /

B．the; a

C．/;a

D．/;the

有关输血的适应证，正确的是

A．急性失血

B．慢性贫血或低蛋白血症

C．严重感染

D．凝血异常

E．心力衰竭