Some parents are always comparing their children __________other children.   [ ]

A．for

B．to

C．with

D．as

结核性腹膜炎腹痛规律是

A．持续性腹痛
B．疼痛-排便-加重
C．进食-疼痛-缓解
D．疼痛-进食-缓解
E．疼痛-排便-缓解