I can't say which wine is beat—it's a （n） of personal taste.
问题描述：
I can't say which wine is beat—it's a （n） of personal taste.
27．I can't say which wine is beat—it's a （n）_____ of personal taste.
A．affair
B．event
C．matter
D．variety
为何选择C?D为什么不对?
答
a matter of意思是“关于……的问题”
D在意思上不对,在语法上也不对,因为a variety of后面应该加复数名词