______struck me most in the movie was the father’s deep love for his son.

A．That

B．It

C．What

D．Which

患者C456D567缺失，C7近中舌侧倾斜，可摘局部义齿修复，C7设置的卡环是（）

A．双臂卡环

B．三臂卡环

C．圈形卡环

D．RPA卡环

E．回力卡环