D indirect object. An indirect object is the answer when you ask to whom about the sentence. In this example to whom did he give? Since the answer is me, me is the indirect pronoun.
The correct answer is a.: specific.
This structure (this +adj) requires an adjective and the only adjective is in a., the other options are verbs or nouns and are not correct.
Answer:
Example of dependent clause:
I'm not tidying the dishes unless Sarah helps.
Unless Sarah helps is your dependent clause because can't stand alone as sentences.