急性心肌梗死时挽救濒死心肌，下列哪一项不可行()
A．溶栓治疗
B．经皮腔内冠脉成形术
C．冠脉内置入支架
D．抗凝治疗
E．冠脉搭桥术
参考答案：D
The house ______as a reading room is under construction.
A．used
B．being used
C．having been used
D．to be used
葫芦瓶
