Question

In my opinion, life in the twenty-first century is much easier than ____.

A．what used to be	B．that it used to be
C．it used to be	D．what it used to be

 

Answer 1

【答案】

C

【解析】考察代词。It此处代指的是life，句意为，在我看来21世纪的生活比过去的生活容易的多。