X线检查见颌骨囊肿包含一个牙冠，内衬上皮在镜下表现为复层鳞状上皮，表面呈波状不全角化，棘层细胞水肿，基底细胞呈柱状，核呈栅栏状排列，上皮厚度较一致。最可能的病理诊断是

A．根尖囊肿

B．牙源性角化囊肿

C．含牙囊肿

D．牙旁囊肿

E．根侧囊肿

Which of the following nursing interventions is most important postoperatively for an infant who has received a ventriculoperitoneal shunt（）

A. Monitoring intake and output.

B. Initiating oral feedings.

C. Allowing the infant to rest undisturbed.

D. Providing age-appropriate diversionary activities.