Sentence Correction (SC) | Re: 80% of laptops that were sold in European Union last year were

A. 80% of laptops that were sold in European Union last year were
Two verbs here but we don't know the sequence between them. INCORRECT

B. 80% of laptops that were sold in European Union last year had been
Laptops were manufactured before they were sold. The verbs "had been" and "were" are correctly placed. CORRECT

C. 80% of laptops that were sold in European Union last year have been
This sentence means the manufacturing is still going on today and 80% of the laptops were
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