Question

19题为什么选c

Answer 1

～The "quality" newspaper are often held onto as an example of impartial journalism 是被动语态,；
～用主动语态表述为 One often holds onto "quality" newspaper as an example of impartial journalism
～hold onto sth. as … 的意思是 “作为 … 坚持 …”
～本句的含意是 “有质量” 的报纸作为公正新闻的范例而被坚持。

Answer 2

hold up 举出…作为批评（或赞扬）的对象

If you hold up something such as someone's behaviour, you make it known
to other people, so that they can criticize or praise it.

Answer 3

be held up as 估计是固定搭配吧。 什么意思请百度。 这种题 一看就知道是搭配 不是无法问题 没必要问，自己找答案 。