Question

Which is a compound sentence using a subordinating conjunction? Most Brazilians speak Portuguese, but many of their customs are Indian or African. Most Brazilians speak Portuguese; many of their customs are Indian or African. Most Brazilians speak Portuguese, although many of their customs are Indian or African. Most Brazilians, speaking Portuguese, have Indian or African customs.

Answer 1

The answer is "Most Brazilians speak Portuguese, although many of their customs are Indian or African."