Present tense would be your answer! :)
It’s b :) this needs to be longers so
<span>Swan symbolizes grace and beauty on many levels of love, music, and poetry. </span>
I think it's The writer's beliefs
An adjective clause is a type of clause that also contains a subject and a verb, but functions to describe a noun. This clause is often introduced by pronouns such as whom, who, that, which and the adverb where, when and why. In the given sentence above, the adjective clause is, "who received a good grade". This clause describes the noun "student".