Question

This dog sheds more than that one.

Answer 1

Answer: C. adverb clause

Explanation:

An adverbial clause is a function that may be used for  the purpose to modify a verb, an adjective, or even another adverb. It provides information about the subject, in this case the fact that a dog sheds morehair than the other dog that is mentioned.

Answer 2

The answer is C. adverb clause