tushaw Wrote:In choice (B) can "which" also refer to "minority" that amounts to a little less than half the population of the state?
In the right setting yes. In this case it doesn't matter because the final clause clearly does not refer to minority or California, but you can have a relative pronoun refer to a compound word, rather than the item in front of it AS LONG AS IT IS VERY UNAMBIGUOUS.
The Statue of Liberty, which is 305 feet tall, ... OK
The Statue of John, who was 6 feet tall, ... OK
The movie about the debate, which was not very popular, ... AMBIGUOUS