在SQL语言中,用于测试列值非空的短语是【 】。

A．ISNOTEMPTY

B．ISNOTNULL

C．NOTUNIQUE

D．NOTEXISTS

—Can you drive a car?

—________, but I can ride a bike. [ ]

A.Yes, I can

B. Yes, I can't

C. No, I can't

D. No, I can