It is worth considering what makes convenience foods so popular ,and( )better ones of your own ...

问题描述:

It is worth considering what makes convenience foods so popular ,and( )better ones of your own ...
It is worth considering what makes convenience foods so popular ,and( )better ones of your own 填Introduce 的正确形式 Why in details

introducing 因为and表示前后并列,并列就应该用同样的形式,另一个词是considering,所以这里应该用introducing