Sentence Correction (SC) | Re: Eighty percent of notebook computers that were sold in

Eighty percent of notebook computers that were sold in United States last year were manufactured in China, a country that has the largest population in the world.

A. Eighty percent of notebook computers that were sold in United States last year were
B. Eighty percent of notebook computers that were sold in United States last year had been
C. Eighty percent of notebook computers that were sold in United States last year have been
D. Last year eighty percent of notebook computers were sold in