Recently some Japanese have been trying to make conflicts with China, ______ effects we are greatly

concerned.[      ]

A. to whose    

B. about whose    

C. to which    

D. about which

适用于较大面积的涂装的涂料施工方法为()。

A.刷涂法施工 

B.滚涂法施工 

C.空气喷涂法施工 

D.高压无气喷涂法施工