下图所示仪器可用于实验室制备少量无水FeCl₃，仪器连接顺序正确的是

A．a-e-d-c-b-h-i-g	B．a-d-e-c-b-h-i-g
C．a-e-d-h-i-g-f-c	D．a-b-c-d-e-f-g-h