To be honest, the role John plays in this film doesn't come up to my __________,  though he is one

of my favorite actors . [ ]

A. excuses  

B. explanations

C. experiences  

D. expectations

Φ18H7/g6的含义是基本尺寸为18mm，基孔制，基本偏差为H，公差等级为7的基准孔与基本偏差为g，公差等级为6的轴为（）配合。