Although the entrance to the cave was very narrow, those visitors managed to________through it.

A．press

B．squeeze

C．break

D．cut

患者女，35岁。因左下后牙对冷热刺激敏感1周前来就诊。检查发现左下第一磨牙面深龋洞，探诊洞底感酸痛，冷测反应一过性敏感，叩痛（-）。牙龈无异常。

作鉴别诊断时，最有价值的检查方法是（）

A.X检查

B.温度测试

C.探诊

D.咬诊

E.视诊