题目选项分析

Inspired by the Helsinki Accords and outraged by the harsh sentences meted out to a group of Czech rock musicians called the Plastic People of the Universe, Charter 77 had been established by dissident writers, philosophers, and other professionals as a human rights group.

Inspired by the Helsinki Accords and outraged by the harsh sentences meted out to a group of Czech rock musicians called the Plastic People of the Universe, dissident writers, philosophers, and other professionals established Charter 77 as a human rights group.