As part of the annual health screening, the nurse visits the eighth-grade physical education classes and asks each student to bend forward at the waist with the back parallel to the floor and the hands together at midline. For which of the following is the nurse assessing

A. Slipped epiphysis.
B. Developmental dysplasia of hip.
C. Idiopathic scoliosis.
D. Physical dexterity.

漫画中某人的做法 [ ]

①否定了联系的客观性，属于主观臆造联系

②看到了矛盾的普遍性，否定了矛盾的特殊性

③否定了客观世界的物质性，犯了唯心主义错误

④割裂了物质和运动的关系，属于机械唯物主义

A、①④

B、①③

C、②④

D、②③