Mother : Have you returned your laptop to your brother, Elsa?

Elsa : I am sorry mom, I haven’t returned it

Mother : It’s okay, But, you have to return it tomorrow, because he needs to do his thesis

Elsa : Okay, Mom

The underlined sentence means….her brother’s laptop

A. the mother forgot

B. Elsa bring his brother’s laptop

C. Elsa did’nt remember to return

D. The mother reminded