Lily called me ___ Friday morning and told me she was having a birthday party ___ me tomorrow. [ ]

A. at; for

B. on; with

C. in; with

D. on; for

脊柱姿势性侧凸的常见原因是（）

A．儿童期坐姿经常不正

B．一侧下肢较另一侧短

C．坐骨神经痛

D．脊髓灰质炎后遗症

E．肩部或胸廓畸形