（）原则是指事物的成分因在空间关系上的变化而引起的不同结果，发生质的变化。
A.能位匹配
B.动态优势
C.同素异构
D.互补增值、协调优化
参考答案：C
请说明对帕森斯的病人角色理论有争议的地方在哪里？
The most delicious cake in the world ____ by Mom. Please wait an hour to enjoy it. [ ]
A. makes
B. is made
C. is going to make
D. is being made
