Luckily, the driver _____ missed hitting the tree by only several inches.

A．nearly

B．slightly

C．narrowly

D．completely

由牙隐裂引起的牙髓炎症状，最佳处置方法是（）

A．调

B．根管治疗

C．全冠修复

D．拔除患牙

E．A+B+C