Need with this, hope someone can

I think it's 4th option. But not with sure. I just think that is correct.

postive, comparative, superlative - good, better, best

recall how we defined nouns as words capable of having plurals and possessive endings. adjectives (and their first cousin, the adverb) also have a feature that distinguishes them. they come in three states. first, the raw adjective—in its positive state—merely describes the noun modified; it doesn’t care about how this particular person or thing stacks up against other members of the same noun class

the answer is b. the tomb is underground and dark, and its opening is covered by a heavy grate.