Question

Select the abbreviation that tells how the italicized noun clause is used.

S-subject, DO-direct object, SC-subject complement, OP-object of preposition

Have you discovered where you left your books?

S
OP
SC
DO

Answer 1

Well, nothing is italicized, so I'm assuming the question is referring to where you left your books.

This noun clause is the direct object (DO).

Step-by-step explanation: