The doctor did a lot to reduce the patient's fear ____ he would die of the disease.[    ]

A. that        

B. which        

C. of which        

D. of it

用线形有机硅树脂，通过室温交联可得到弹性非常好的漆膜，此漆膜具有（）好等特性。

A、耐候性

B、耐热性

C、耐光照

D、防水性