Read the sentence: thomas edison, whose accomplishments are legendary, will be our focus next week.
which is the relative pronoun, and what is its function in the sentence?

a. relate pronoun is our, it functions as part of the adverb clause.
b. relative pronoun is our, it functions as part of the adjective clause.
c. relative pronoun is whose; it functions as part of the adverb cause.
d. relative pronoun is whose; it functions as part of the adjective clause.