用药物治疗扩张型心肌病时应慎用下列哪种药物（）
A.利尿剂
B.扩血管药物
C.血管紧张素转换酶抑制剂
D.钙拮抗剂
E.β受体阻滞剂
参考答案：D
The children were left _____ of a neighbor when they went on holiday.
A．in the charge
B．in charge
C．under charge
D．at charge
