Identify the subordinate clause in this sentence.

The South China tiger is the most critically endangered tiger, although other subspecies are also threatened.

A.

although other subspecies are also threatened

B.

The South China tiger is the most critically endangered tiger

C.

The South China tiger

A subordinate clause is a dependent clause that is connected to the main sentence using subordinating conjunctions such as: because, if, once, after, before, although, and etc. This clause adds more information or ideas to the main sentence. In the sentence given, the subordinate clause is, option A. although other subspecies are also threatened.