The word that functions as a coordinating conjunction in the sentence is option d. but. The coordinating conjunction "but" connects the two independent clauses which are "Our teacher waited so patiently for our report" and "we have not submitted it yet".
D: money
hope this helps!!!
My mom told me to brush and floss my teeth everyday. i didn’t listen. i got 12 cavities. if I had known not brushing and flossing my teeth would result in me getting cavities, I would’ve listened to my mom.
