I personally believe that the answer is B
Answer:
b. Adjective clause
Explanation:
The subordinate clause in this sentence is "who bought me a puppy for my birthday" and it functions as an adjective because it modifies the noun phrase "the one" (like adjectives and adjective phrases, adjective clauses describe or add information about a noun element in the sentence).
Wanna talk? say it to my face
<span>A: To become mature, people must learn important lessons from experience.</span>
