Did _____ on time make the teacher angry? [ ]

A. she not come

B. she not to come

C. not her coming

D. her not coming

上颌基托后缘伸展过长或基托后缘与粘膜不密合，可造成

A．义齿弹跳
B．义齿摘戴困难
C．恶心、唾液增多
D．粘膜广泛压痛
E．咬合时基牙酸痛、敏感