A client with hypotonic labor dysfunction is receiving oxytoein augmentation. Her contractions become more frequent and intense. Dilation progresses to 8 cm, but the fetal head remains at station +1. The nurse notes a soft bulge just above the symphysis. Which of the following actions is best ？（）

A．Re-evaluate the fetal presentation.

B．Change the client’s position.

C．Offer a narcotic analgesic.

D．Help the client urinate.

男性，59岁，近两日来出现头晕，胸闷，心脏 X线表现为左心室肥厚、增大，主动脉增宽、延长、迂曲，有肺淤血和肺水肿征象，考虑最可能的诊断是()

A．高血压心脏病

B．慢性肺源性心脏病

C．风湿性心脏病

D．心包积液

E．以上都不是