Read the following passage and choose the best answer marked A, B, C or D for each question Lien is a student. She is in grade 6. Every morning she gets up at half past five. Then she gets dressed, brushes her teeth and washes her face. She has breakfast at six fifteen. She goes to school at six thirty five. Her school has ten classes. Her class has thirty five students. Her classroom is on the second floor.Which grade is Lien in?