The correct answer is B. Adjective Phrase
Step-by-step explanation:
The function of adjective phrases is to describe a noun such as a person, object, place, or animal. Additionally, most adjectives phrases contain at least one adjective and are placed right before or after the noun or word they describe. The section "hat seems very angry" can be classified as an adjective phrase because the main function of this is to describe "the dog" which is a noun; also, this contains the adjective "angry" along with other words that show a key quality of the dog.