Question

Select the abbreviation that tells how the noun clause in quotations is used.

The valedictory prize will be awarded to "whoever has the highest academic rating."
S
OP
SC
DO

Answer 1

OP

Step-by-step explanation:

Answer 2

OP. It stands for object of a preposition. An object of a preposition comes after a preposition. In this case, the preposition is "to" and since the noun clause comes after the preposition, it is the object of the preposition.
Hope this helps.