Q161. Choose the grammatically correct sentence.English — NUST Mock 7 — Question 161 of 200A. Saira, in the Girl Scout cookie booth next to the bank, selling Thin Mints for the last three hours.B. Saira, in the Girl Scout cookie booth next to the bank, has been selling Thin Mints for the last three hours.C. Saira, in the Girl Scout cookie booth next to the bank, selling Thin Mints, since the last three hours.D. Saira, in the Girl Scout cookie booth next to the bank, have been selling Thin Mints for the last three hours.Practice more English MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →