____ much we dislike the idea of begging in the street,  we should still show consideration

for those who are in  difficult situations.   [    ]

A. However  

B. How        

C. Whatever  

D. No matter

微型计算机内存储器是

A．按二进制数编址

B．按字节编址

C．按字长编址

D．根据微处理器不同而编址不同