如何理解 entrenched 这个词？

Which of the following can BEST replace “entrenched” in “passenger traffic may diminish as an urban issue if working from home gets entrenched”? ___ A: Effectively distinguished B: unavoidably impoverished C: quickly accomplished D: firmly established

entrenched A: 趋于 B: 进入的 C: 流行的 D: 根深蒂固的

The ambassador was accused of having______on domestic affairs. A: trespassed B: encroached C: entrenched D: invaded

The government concluded that, because the city's fiscal problems were _____ by entrenched mismanagement, providing rescue funding would be foolhardy. A: supplanted B: mitigated C: ascertained D: exacerbated E: assailed

What does “diminish ” mean in “passenger traffic may diminish as an urban issue if working from home gets entrenched”? ______ A: To increase a lot very quickly B: to become smaller or weaker C: To suddenly stop existing D: to return to a normal condition

Some countries like the United Kingdom have no entrenched document setting out fundamental rights; in those jurisdictions the constitution is composed of statute, case law and convention. A: 根深蒂固的 B: 延伸的 C: 法定的 D: 传统的