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题库 / DaQuan-SC-3508
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 three-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
B. which无所指；down from a decade ago逻辑意思不合理；it无所指。
C. and that amounts中that无所指；they无指代对象。
D. Correct；amounting做状语修饰前面整个主系表结构；对于only的省略见“补充说明”
E. down from what it was a decade ago比较对象不合理, 应该是人口数与人口数比,而不是人口与时间；it无所指；what it was很wordy and awkward；down from…by改变原句含义。
down from...by...：从......开始降多少。
On the other hand, the comma + __ing construction is perfect here, since \"amounting to xxxx\" is a perfect clarification/explanation of the entire preceding sentence (\"non-Hispanic Whites are ... a minority\").
从原句的表述来看，句子的意思是non-Hispanic Whites人口的数量从原来占加州人口总数的四分之三降到现在的不到二分之一。
down from...：从......开始降;
down from...by...：从......开始降多少。
所以E选项的意思是从原来的数量降了四分之三。
"it" is trying to stand for the % of california's population that is white. there is no noun in the sentence that can achieve that meaning; that's what i meant in declaring that there is no valid antecedent.