Answer: B) Possessive; adjective.
Explanation: an adjective is a word that describes or modify a noun. There are different types of adjectives: quantitative, demonstrative, possessive, interrogative, descriptive, etc. In the given sentence, the capitalized word "our" is an adjective, because it is modifying the noun "skill," and it is in the possessive case, because it is indicating ownership, so the correct answer is option B.
