different life today is what it was 30 years ago.A. How; fromB. What a; fromC. What; fro

问题补充：

different life today is what it was 30 years ago.

A. How; from

B. What a; from

C. What; from

D. How; with

答案：

(答案→)A. How; from

B. What a; from

C. What; from

D. How; with

解析：由于受a…life的影响，容易选B。实际上本句主句的主语是life today，而different from 是主句的表语。可以把它变成普通句式：Life today is different from what it was 30years ago.