The singer is known （ ）people in the world A:to B:off C:of D:for

The singer is known （ ）people in the world A:to B:off C:of D:for
The singer is known （ ）people in the world A:to B:off C:of D:for

The singer is known （ ）people in the world A:to B:off C:of D:for
A:to
固定搭配 be known to 被.知道,这里的to是个介词.

B to
be known to 对……著名
这里用by更好

A:to
被世人所熟知
如果钻牛角尖的话。。。。其他也有可能

to