应选B a few Chinese这里指的是中国人,是可数名词,只不过单复数一致而已.当Chinese指中文时,就是不可数名词.
My friend Jane knows only a few Chinese.
我朋友Jane只认识几个中国人.
few,a few,little,a little
虽然都表示“少”,但
（1）few,a few是可数的,little,a little是不可数的.
（2）a few,a little含肯定意味,few,little含否定意味.
（3）few,a few用在复数名词之前.
（4）little,a little用在不可数名词之前.