The correct answer is "the unstressed-stressed combination mimics waves". Iambic feet is a type of metrics used particularly in traditional English poetry to add an unstressed syllable followed by a stressed syllable. The name iamb comes from this combination of unstressed-stressed, while feet is the name given to a group of syllabes at which the rhythm is measured. In this case Whitman used iambic feet to accomplished the unstressed-stressed effect is his poem.
MLA in-text citation style uses the author's last name and the page number. If the source doesn't include a page number then only use the last name of the author.
Predicate pronoun
A predicate pronoun is any pronoun that is part of the predicate.
A predicate is the part of a sentence that includes the verb and the words following it that relate to that verb.
Examples:
I will call him .
The teacher gave us a history assignment.
Mother made lunch for them .
A sentence may have more than one predicate; for example:
Mother made lunch for them and set it on the picnic table.
A subjective pronoun can be part of a predicate when it is the subject of a clause,; for example:
Mary brought a cake she made for the party .
A subjective pronoun is also used as a subject complement when it follows a linking verb; for example:
The leaders right now are he and I .
The correct answer here is the option A