问题
选择题
Though the impressionists’ paintings were not popular when they first appeared, they are now accepted as the beginning of ______ we call “modern art”.
A．that
B．what
C．which
D．why
答案
B
考查名词性从句。本句为宾语从句，作介词of的宾语。从句中call后应接双宾语，缺一个宾语，连接词用what。故选B。