----Why didn’t you go to the concert ?

-----I ____a game between two American basketball teams

A．watched

B．had watched

C．was watching

D．had been watching

一般人所说的文明，是指人类社会进步和开化的程度，它包括（）文明和（）文明。从人类文明建设的角度来看，思想建设与文化建设一起构成了（）的两项基本内容。