The Beatls,( )many of you are old enough to remember,came from Liverpool.Awhat Bthat Chow Das为什么选AS 而不选WHAT

The Beatls,( )many of you are old enough to remember,came from Liverpool.
Awhat Bthat Chow Das
为什么选AS 而不选WHAT

因为这个修饰Beatles的短语是独立的,前面有逗号,所以连词只能用as或which,不能用what.

人怎么能用WHAT形容？