A client is admitted with a suspected diagnosis of an acute myocardial infarction. When providing care for the client, the nurse should avoid which route when taking a temperature

A．Oral.

B．Rectal.

C．Axillary.

D．Tympanic.

联轴器的键对键槽的配合其两侧应选用（），不允许有间隙；上部间隙应为（）毫米。