Complex sentence: Fast Company, in its 1999 review of five entirely online schools, gave its only A grade to Walden stating that they were "hard-pressed to give Walden any demerits".
Split into simpler sentences: Fast Company, in its 1999 review of five entirely online schools gave its only A grade to Walden. In their review, they stated: "Fast Company is hard-pressed to give Walden any demerits".