Q23:
For the first time in the modern era, non-Hispanic Whites are officially a minority in California, which amounts to a little less than half the population of the state, down from nearly there-quarters only a decade ago.
- which amounts to a little less than half the population of the state, down from nearly three-quarters only a decade ago
- which amounts to a little less than half the population of the state, down from a decade ago, when it was nearly three-quarters
- and that amounts to a little less than half the population of the state, down from a decade ago, when they were nearly three-quarters
- amounting to a little less than half the population of the state, down from nearly three-quarters a decade ago
- amounting to a little less than half the population of the state, down from what it was a decade ago by nearly three-quarters
答案写的D
难道吧原句里的only给删了？